US Bridges

S 67 over Front St-Rr

Fair

Toole County, Montana · Shelby · Structure no. P00067000+00861

Built
1938
87 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
382 ft
5 main spans
Daily traffic
2,161
2023 count
Owner
State
State Highway Agency

About this bridge

S 67 over Front St-Rr is a steel stringer/multi-beam or girder carrying S 67 over Front St-Rr in Toole County, Montana. It was built in 1938, so it is 87 years old, older than the Montana average of 47 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,161 vehicles a day, roughly 1% of them trucks, projected to reach 2,269 by 2043. The structure is 382 ft (116.4 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesS 67
CrossesFront St-Rr
LocationShelby
RouteState Highway 67
CountyToole County
StateMontana
Coordinates48.50754, -111.85894
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating43 US tons
Inventory rating26 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5 (+2 approach)
Design loadH 15
Structure length382 ft (116.4 m)
Longest span84 ft (25.5 m)
Deck width34 ft (10.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,161 (2023)
Projected traffic2,269 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.6 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was S 67 over Front St-Rr built?

It was built in 1938, making it 87 years old in 2025.

What condition is S 67 over Front St-Rr in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.

How much traffic does S 67 over Front St-Rr carry?

About 2,161 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is S 67 over Front St-Rr?

The structure is 382 ft (116.4 m) long with a longest span of 84 ft (25.5 m) and a deck 34 ft wide.

Who owns S 67 over Front St-Rr?

It is owned by the State Highway Agency.