Bridge Statistics for Helena, Montana (MT)
Condition, Traffic, Stress, Structural Evaluation, Project Costs

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Structure Number: 1178,  Location: HELENA (Lat: 46.598561,  Lng: -112.003147),  Route carried "on" structure: Interstate 15,  Year Built: 2016,  Status: Open,  Structure Length: 24.11m (79.10ft),  Average Daily Traffic: 21,738 (year 2020),  Truck Traffic: 3%,  Average Future Daily Traffic: 23,694 (year 2040),  Design Load: HL 93,  Features Intersected: SEP BOULDER AVE-RR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 309.477,  Lanes on structure: 3,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 19.7m (64.6ft),  Skew: 3 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 64.6m (211.9ft),  Curb-To-Curb Width: 18.7m (61.4ft),  Out-to-Out Width: 19.5m (64.0ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very good,  Operating Rating: 38.1 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 29.0 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Underclear: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 24.69m (81.00ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2020,  Bridge Improvement Cost: $1,531,000,  Roadway Improvement Cost: $766,000,  Total Project Cost: $2,297,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 1179,  Location: HELENA (Lat: 46.598617,  Lng: -112.003439),  Route carried "on" structure: Interstate 15,  Year Built: 2017,  Status: Open,  Structure Length: 23.90m (78.41ft),  Average Daily Traffic: 21,738 (year 2020),  Truck Traffic: 3%,  Average Future Daily Traffic: 23,694 (year 2040),  Design Load: HL 93,  Features Intersected: SEP BOULDER AVE-RR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 309.231,  Lanes on structure: 3,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 17.7m (58.1ft),  Skew: 3 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 64.6m (211.9ft),  Curb-To-Curb Width: 18.7m (61.4ft),  Out-to-Out Width: 19.5m (64.0ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very good,  Operating Rating: 47.2 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 36.3 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Superior to present desirable criteria,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 24.29m (79.69ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2021,  Bridge Improvement Cost: $1,508,000,  Roadway Improvement Cost: $754,000,  Total Project Cost: $2,262,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 202104939,  Location: 2M NW HELENA (Lat: 46.645658,  Lng: -112.046439),  Route carried "on" structure: City street 25058,  Year Built: 2021,  Status: Open,  Structure Length: 1.48m (4.86ft),  Average Daily Traffic: 910 (year 2020),  Average Future Daily Traffic: 956 (year 2040),  Design Load: HL 93,  Features Intersected: HELENA VALLEY CANAL 082,  Facility Carried by Structure: MILL ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.037,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 14.0m (45.9ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.2m (30.2ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Good,  Operating Rating: 55.3 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 38.1 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2021,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: L25608000+00001,  Location: 1M S HELENA (Lat: 46.574622,  Lng: -111.974661),  Route carried "on" structure: City street 5827,  Year Built: 2007,  Status: Open,  Structure Length: 5.68m (18.64ft),  Average Daily Traffic: 4,729 (year 2020),  Truck Traffic: 3%,  Average Future Daily Traffic: 4,965 (year 2040),  Design Load: HS 25 or greater,  Features Intersected: S HELENA INT I 15 156,  Facility Carried by Structure: SADDLE DRIVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.477,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 22.4m (73.5ft),  Skew: 20 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 28.0m (91.9ft),  Curb or Sidewalk Widths: Left: 1.4m (4.6ft),  Right: 1.4m (4.6ft),  Curb-To-Curb Width: 22.4m (73.5ft),  Out-to-Out Width: 25.6m (84.0ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Operating Rating: 68.0 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 40.8 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Underclear: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: October 2019,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: M25058000+00101,  Location: HELENA-REEDERS ALLEY (Lat: 46.585703,  Lng: -112.044728),  Route carried "on" structure: City street 2738,  Year Built: 1881,  Year Reconstructed: 1974,  Status: Posted for load,  Structure Length: 2.84m (9.32ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Design Load: H 10,  Features Intersected: REEDERS ALLEY 001,  Facility Carried by Structure: S HOWIE ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 1,  Owner: County Highway Agency,  Approaching Roadway Width: 4.3m (14.1ft),  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 7.4m (24.3ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 6.1m (20.0ft),  Out-to-Out Width: 6.7m (22.0ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Good,  Operating Rating: 18.1 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 13.6 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Meets minimum limits,  Deck Geometry: High priority of replacement,  Underclear: High priority of replacement,  Approach Roadway Alignment: Equal to present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Length Of Structure Improvement: 3.80m (12.47ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Bridge Improvement Cost: $122,000,  Roadway Improvement Cost: $61,000,  Total Project Cost: $183,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber

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Structure Number: M25058000+00201,  Location: N OF HELENA AIRPORT (Lat: 46.612178,  Lng: -111.967892),  Route carried "on" structure: City street 25058,  Year Built: 1958,  Status: Posted for load,  Structure Length: 1.22m (4.00ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Design Load: H 15,  Features Intersected: HELENA VALLEY CANAL 085,  Facility Carried by Structure: COUNTY ROAD 290
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.117,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Skew: 1 degrees,  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 5.8m (19.0ft),  Curb-To-Curb Width: 7.5m (24.6ft),  Out-to-Out Width: 7.7m (25.3ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 23.6 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 17.2 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 30.0 - 39.9% below),  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber

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Structure Number: M25058000+00301,  Location: HELENA-WOODBRIDGE DRIVE (Lat: 46.577503,  Lng: -112.022486),  Route carried "on" structure: City street 25058,  Year Built: 1975,  Status: Posted for load,  Structure Length: 2.77m (9.09ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Design Load: HS 20,  Features Intersected: DRAINAGE 002,  Facility Carried by Structure: WOODBRIDGE DRIVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.056,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.7m (25.3ft),  Skew: 1 degrees,  Material/Design: Wood or Timber,  Design/Construction: Arch - Deck,  Number Of Spans In Main Unit: 1,  Number Of Approach Spans: 2,  Length of Maximum Span: 18.3m (60.0ft),  Curb or Sidewalk Widths: Left: 2.2m (7.2ft),  Right: 1.6m (5.2ft),  Curb-To-Curb Width: 8.0m (26.2ft),  Out-to-Out Width: 11.7m (38.4ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Good,  Operating Rating: 23.6 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 18.1 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 10.0 - 19.9% below),  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2020,  Deck Structure Type: Corrugated Steel,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: M25058000+00401,  Location: 2M N HELENA (Lat: 46.632331,  Lng: -112.031836),  Route carried "on" structure: City street 25058,  Year Built: 2000,  Status: Open,  Structure Length: 1.44m (4.72ft),  Average Daily Traffic: 1,763 (year 2020),  Truck Traffic: 1%,  Average Future Daily Traffic: 2,063 (year 2040),  Features Intersected: HELENA VALLEY CANAL 086,  Facility Carried by Structure: MCHUGH LN
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.576,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.3m (27.2ft),  Skew: 5 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 14.4m (47.2ft),  Curb-To-Curb Width: 8.4m (27.6ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Good,  Channel: Good,  Operating Rating: 54.4 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: M25058000+00501,  Location: 2M N HELENA (Lat: 46.634250,  Lng: -112.031911),  Route carried "on" structure: City street 25058,  Year Built: 1989,  Status: Open,  Structure Length: 1.19m (3.90ft),  Average Daily Traffic: 1,763 (year 2020),  Truck Traffic: 1%,  Average Future Daily Traffic: 2,063 (year 2040),  Design Load: HS 20,  Features Intersected: TEN MILE CREEK 087,  Facility Carried by Structure: MCHUGH LN
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.789,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 12.0m (39.4ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 8.2m (26.9ft),  Curb-To-Curb Width: 12.0m (39.4ft),  Out-to-Out Width: 12.9m (42.3ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Channel: Good,  Operating Rating: 56.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 33.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: M25058000+00701,  Location: 3M W HELENA (Lat: 46.614261,  Lng: -112.076650),  Route carried "on" structure: City street 25058,  Year Built: 2000,  Status: Open,  Structure Length: 2.27m (7.45ft),  Average Daily Traffic: 2,735 (year 2020),  Truck Traffic: 3%,  Average Future Daily Traffic: 2,872 (year 2040),  Design Load: HS 20,  Features Intersected: TEN MILE CREEK 113,  Facility Carried by Structure: COUNTRY CLUB AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.725,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 22.7m (74.5ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Channel: Good,  Operating Rating: 32.7 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: M25058000+00801,  Location: HELENA-VALLEY FORGE RD (Lat: 46.639175,  Lng: -112.019853),  Route carried "on" structure: County highway 25058,  Year Built: 1988,  Status: Open,  Structure Length: 1.42m (4.66ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Design Load: HS 20,  Features Intersected: TEN MILE CREEK 126,  Facility Carried by Structure: VALLEY FORGE RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.116,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 11.9m (39.0ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 13.7m (44.9ft),  Curb-To-Curb Width: 10.5m (34.4ft),  Out-to-Out Width: 11.0m (36.1ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very good,  Channel: Good,  Operating Rating: 32.7 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Superior to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: P00008043+03061,  Location: HELENA-LYNDALE AVE (Lat: 46.598086,  Lng: -112.036125),  Route carried "on" structure: US 12,  Year Built: 2003,  Status: Open,  Structure Length: 0.61m (2.00ft),  Average Daily Traffic: 17,821 (year 2020),  Truck Traffic: 2%,  Average Future Daily Traffic: 18,712 (year 2040),  Design Load: HS 20,  Features Intersected: GREAT NORTHERN AREA
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 69.207,  Lanes on structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 29.9m (98.1ft),  Skew: 22 degrees,  Material/Design: Concrete,  Design/Construction: Arch - Deck,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.1m (20.0ft),  Curb or Sidewalk Widths: Left: 2.3m (7.5ft),  Right: 2.3m (7.5ft),  Curb-To-Curb Width: 29.9m (98.1ft),  Out-to-Out Width: 29.9m (98.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 32.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2020

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Structure Number: P00008046+12211,  Location: HELENA-PROSPECT AVE (Lat: 46.591156,  Lng: -111.998497),  Route carried "on" structure: US 12,  Year Built: 1961,  Status: Open,  Structure Length: 7.94m (26.05ft),  Average Daily Traffic: 20,402 (year 2020),  Truck Traffic: 2%,  Average Future Daily Traffic: 21,422 (year 2040),  Design Load: HS 20,  Features Intersected: INT CAPITOL-I 15
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 73.013,  Lanes on structure: 2,  Lanes under structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 9.9m (32.5ft),  Skew: 3 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 23.2m (76.1ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.6m (2.0ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.7m (31.8ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 39.9 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 30.8 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: High priority of corrective action,  Underclear: High priority of replacement,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 8.90m (29.20ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2021,  Bridge Improvement Cost: $493,000,  Roadway Improvement Cost: $247,000,  Total Project Cost: $740,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: P00008046+12212,  Location: HELENA-PROSPECT AVE (Lat: 46.591281,  Lng: -111.998608),  Route carried "on" structure: US 12,  Year Built: 1961,  Status: Open,  Structure Length: 7.94m (26.05ft),  Average Daily Traffic: 20,402 (year 2020),  Truck Traffic: 2%,  Average Future Daily Traffic: 21,422 (year 2040),  Design Load: HS 20,  Features Intersected: INT CAPITOL-I 15
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 73.005,  Lanes on structure: 2,  Lanes under structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 9.9m (32.5ft),  Skew: 3 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 23.2m (76.1ft),  Curb or Sidewalk Widths: Left: 0.6m (2.0ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.7m (31.8ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 39.9 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 30.8 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: High priority of corrective action,  Underclear: High priority of replacement,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 8.90m (29.20ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2021,  Bridge Improvement Cost: $433,000,  Roadway Improvement Cost: $217,000,  Total Project Cost: $650,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: U05802002+04741,  Location: HELENA-E CUSTER AVE (Lat: 46.616592,  Lng: -112.010944),  Route carried "on" structure: City street 5802,  Year Built: 2012,  Status: Open,  Structure Length: 7.27m (23.85ft),  Average Daily Traffic: 21,307 (year 2020),  Truck Traffic: 1%,  Average Future Daily Traffic: 22,798 (year 2040),  Design Load: HL 93,  Features Intersected: INT CUSTER AVE-I 15,  Facility Carried by Structure: E CUSTER AVE
Minimum Vertical Clearance: 6.23m (20.44ft),  Kilometerpoint: 3.324,  Lanes on structure: 5,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 23.8m (78.1ft),  Skew: 20 degrees,  Material/Design: Prestressed concrete continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 36.0m (118.1ft),  Curb or Sidewalk Widths: Left: 1.7m (5.6ft),  Right: 1.7m (5.6ft),  Curb-To-Curb Width: 23.8m (78.1ft),  Out-to-Out Width: 28.0m (91.9ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very good,  Operating Rating: 49.9 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 38.1 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: Equal to present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: U05802003+02961,  Location: HELENA-E CUSTER AVE (Lat: 46.616725,  Lng: -111.993761),  Route carried "on" structure: City street 5802,  Year Built: 2012,  Status: Open,  Structure Length: 1.54m (5.05ft),  Average Daily Traffic: 12,076 (year 2020),  Truck Traffic: 2%,  Average Future Daily Traffic: 12,680 (year 2040),  Design Load: HL 93,  Features Intersected: HELENA VALLEY CANAL,  Facility Carried by Structure: E CUSTER AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.640,  Lanes on structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 20.7m (67.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 14.6m (47.9ft),  Curb or Sidewalk Widths: Left: 1.7m (5.6ft),  Right: 3.2m (10.5ft),  Curb-To-Curb Width: 20.7m (67.9ft),  Out-to-Out Width: 26.4m (86.6ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Channel: Good,  Operating Rating: 68.9 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 44.5 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric

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Structure Number: U05807000+07711,  Location: HELENA (Lat: 46.602758,  Lng: -112.028014),  Route carried "on" structure: City street 127,  Year Built: 2003,  Status: Open,  Structure Length: 4.39m (14.40ft),  Average Daily Traffic: 14,853 (year 2020),  Truck Traffic: 1%,  Average Future Daily Traffic: 15,596 (year 2040),  Design Load: HS 20,  Features Intersected: RR,  Facility Carried by Structure: N LAST CHANCE GULC
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.259,  Lanes on structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 23.8m (78.1ft),  Skew: 21 degrees,  Material/Design: Prestressed concrete continuous,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 20.7m (67.9ft),  Curb or Sidewalk Widths: Left: 1.7m (5.6ft),  Right: 1.7m (5.6ft),  Curb-To-Curb Width: 23.8m (78.1ft),  Out-to-Out Width: 28.1m (92.2ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very good,  Operating Rating: 54.4 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Superior to present desirable criteria,  Underclear: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: U05807001+08231,  Location: HELENA-CEDAR ST (Lat: 46.606836,  Lng: -112.008078),  Route carried "on" structure: City street 127,  Year Built: 2002,  Status: Open,  Structure Length: 6.00m (19.69ft),  Average Daily Traffic: 14,376 (year 2020),  Truck Traffic: 1%,  Average Future Daily Traffic: 15,095 (year 2040),  Design Load: HS 20,  Features Intersected: INT CEDAR ST-I 15,  Facility Carried by Structure: CEDAR ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.937,  Lanes on structure: 4,  Lanes under structure: 5,  Owner: State Highway Agency,  Approaching Roadway Width: 19.5m (64.0ft),  Skew: 2 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 30.0m (98.4ft),  Curb or Sidewalk Widths: Left: 2.2m (7.2ft),  Right: 0.0m,  Curb-To-Curb Width: 19.5m (64.0ft),  Out-to-Out Width: 20.7m (67.9ft)

Condition: Deck: Satisfactory,  Superstructure: Very good,  Substructure: Very good,  Operating Rating: 76.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 45.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: U05809002+02701,  Location: 1M N HELENA (Lat: 46.628644,  Lng: -112.021175),  Route carried "on" structure: City street 5809,  Year Built: 1958,  Year Reconstructed: 2005,  Status: Open,  Structure Length: 0.75m (2.46ft),  Average Daily Traffic: 10,598 (year 2020),  Average Future Daily Traffic: 11,128 (year 2040),  Design Load: HS 20,  Features Intersected: HELENA VALLEY CANAL,  Facility Carried by Structure: N MONTANA AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.451,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 14.7m (48.2ft),  Material/Design: Concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.1m (23.3ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 2.0m (6.6ft),  Curb-To-Curb Width: 14.7m (48.2ft),  Out-to-Out Width: 17.2m (56.4ft)

Condition: Deck: Satisfactory,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 55.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 33.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Superior to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Latex Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: U05809002+09631,  Location: 2M N HELENA (Lat: 46.638644,  Lng: -112.021294),  Route carried "on" structure: City street 5809,  Year Built: 2004,  Status: Open,  Structure Length: 1.83m (6.00ft),  Average Daily Traffic: 10,598 (year 2020),  Average Future Daily Traffic: 11,128 (year 2040),  Design Load: HS 20,  Features Intersected: TEN MILE CREEK,  Facility Carried by Structure: N MONTANA AVE
Minimum Vertical Clearance: 7.44m (24.41ft),  Kilometerpoint: 4.562,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 26.1m (85.6ft),  Skew: 1 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 18.0m (59.1ft),  Curb-To-Curb Width: 26.1m (85.6ft),  Out-to-Out Width: 27.1m (88.9ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Channel: Good,  Operating Rating: 66.5 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 51.2 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: U05815000+05001,  Location: HELENA-S CRUSE AVE (Lat: 46.584856,  Lng: -112.040406),  Route carried "on" structure: City street 5815,  Year Built: 1972,  Status: Open,  Structure Length: 1.40m (4.59ft),  Average Daily Traffic: 1,494 (year 2020),  Truck Traffic: 2%,  Average Future Daily Traffic: 1,569 (year 2040),  Design Load: HS 20,  Features Intersected: PEDESTRIAN UNDERPASS,  Facility Carried by Structure: S CRUSE AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.454,  Lanes on structure: 4,  Owner: County Highway Agency,  Approaching Roadway Width: 16.5m (54.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Channel Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 10.7m (35.1ft),  Curb or Sidewalk Widths: Left: 1.6m (5.2ft),  Right: 0.4m (1.3ft),  Curb-To-Curb Width: 17.5m (57.4ft),  Out-to-Out Width: 19.7m (64.6ft)

Condition: Deck: Fair,  Superstructure: Very good,  Substructure: Very good,  Operating Rating: 32.7 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 21.8 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 1178,  Location: HELENA (Lat: 46.598561,  Lng: -112.003147),  Route carried "under" structure: City street 5806,  Year Built: 2016,  Structure Length: 0. m,  Average Daily Traffic: 1,302 (year 2020),  Truck Traffic: 3%,  Features Intersected: SEP BOULDER AVE-RR,  Facility Carried by Structure: I 15
Minimum Vertical Clearance: 7.52m (24.67ft),  Kilometerpoint: 1.527,  Lanes on structure: 3,  Lanes under structure: 2,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 64.6m (211.9ft)

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Structure Number: 1179,  Location: HELENA (Lat: 46.598617,  Lng: -112.003439),  Route carried "under" structure: City street 5806,  Year Built: 2017,  Structure Length: 0. m,  Average Daily Traffic: 1,302 (year 2020),  Truck Traffic: 3%,  Features Intersected: SEP BOULDER AVE-RR,  Facility Carried by Structure: I 15
Minimum Vertical Clearance: 7.01m (23.00ft),  Kilometerpoint: 1.516,  Lanes on structure: 3,  Lanes under structure: 2,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 64.6m (211.9ft)

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Structure Number: L25608000+00001,  Location: 1M S HELENA (Lat: 46.574622,  Lng: -111.974661),  Route carried "under" structure: Interstate 15,  Year Built: 2007,  Structure Length: 0. m,  Average Daily Traffic: 13,946 (year 2020),  Truck Traffic: 5%,  Features Intersected: S HELENA INT I 15 156,  Facility Carried by Structure: SADDLE DRIVE
Minimum Vertical Clearance: 5.27m (17.29ft),  Kilometerpoint: 305.988,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 28.0m (91.9ft)

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Structure Number: M25058000+00101,  Location: HELENA-REEDERS ALLEY (Lat: 46.585703,  Lng: -112.044728),  Route carried "under" structure: ServiceCity street 2737,  Year Built: 1881,  Structure Length: 0. m,  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Features Intersected: REEDERS ALLEY 001,  Facility Carried by Structure: S HOWIE ST
Minimum Vertical Clearance: 5.02m (16.47ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 1,  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 7.4m (24.3ft)

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Structure Number: P00008046+12211,  Location: HELENA-PROSPECT AVE (Lat: 46.591156,  Lng: -111.998497),  Route carried "under" structure: Interstate 15,  Year Built: 1961,  Structure Length: 0. m,  Average Daily Traffic: 21,738 (year 2020),  Truck Traffic: 3%,  Features Intersected: INT CAPITOL-I 15,  Facility Carried by Structure: PROSPECT AVE-US 12
Minimum Vertical Clearance: 5.07m (16.63ft),  Kilometerpoint: 308.579,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 23.2m (76.1ft)

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Structure Number: P00008046+12212,  Location: HELENA-PROSPECT AVE (Lat: 46.591281,  Lng: -111.998608),  Route carried "under" structure: Interstate 15,  Year Built: 1961,  Structure Length: 0. m,  Average Daily Traffic: 21,738 (year 2020),  Truck Traffic: 3%,  Features Intersected: INT CAPITOL-I 15,  Facility Carried by Structure: PROSPECT AVE-US 12
Minimum Vertical Clearance: 5.61m (18.41ft),  Kilometerpoint: 308.595,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 23.2m (76.1ft)

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Structure Number: U05802002+04741,  Location: HELENA-E CUSTER AVE (Lat: 46.616592,  Lng: -112.010944),  Route carried "under" structure: Interstate 15,  Year Built: 2012,  Structure Length: 0. m,  Average Daily Traffic: 15,994 (year 2020),  Truck Traffic: 4%,  Features Intersected: INT CUSTER AVE-I 15,  Facility Carried by Structure: E CUSTER AVE
Minimum Vertical Clearance: 5.17m (16.96ft),  Kilometerpoint: 311.588,  Lanes on structure: 5,  Lanes under structure: 4,  Material/Design: Prestressed concrete continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 36.0m (118.1ft)

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Structure Number: U05807001+08231,  Location: HELENA-CEDAR ST (Lat: 46.606836,  Lng: -112.008078),  Route carried "under" structure: Interstate 15,  Year Built: 2002,  Structure Length: 0. m,  Average Daily Traffic: 15,994 (year 2020),  Truck Traffic: 4%,  Features Intersected: INT CEDAR ST-I 15,  Facility Carried by Structure: CEDAR ST
Minimum Vertical Clearance: 5.21m (17.09ft),  Kilometerpoint: 310.474,  Lanes on structure: 4,  Lanes under structure: 5,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 30.0m (98.4ft)