US Bridges

US 287 over Indian Creek

Fair

Madison County, Montana · 7M S Cameron · Structure no. P00013030+08711

Built
1933
92 years old, rebuilt 1984
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete
Length
85 ft
3 main spans
Daily traffic
1,782
2023 count
Owner
State
State Highway Agency

About this bridge

US 287 over Indian Creek is a concrete tee beam carrying US 287 over Indian Creek in Madison County, Montana. It was built in 1933 and reconstructed in 1984, so it is 92 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 5 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 1,782 vehicles a day, roughly 15% of them trucks, projected to reach 1,880 by 2043. The structure is 85 ft (25.9 m) long and 42 ft wide. If it were closed, the detour would be 110 mi (177 km).

CarriesUS 287
CrossesIndian Creek
Location7M S Cameron
RouteU.S. Route 287
StateMontana
Coordinates45.10344, -111.65077
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39 US tons
Inventory rating30 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length85 ft (25.9 m)
Longest span27 ft (8.2 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,782 (2023)
Projected traffic1,880 by 2043
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed110 mi (177 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 287 over Indian Creek built?

It was built in 1933, making it 92 years old in 2025. It was reconstructed in 1984.

What condition is US 287 over Indian Creek 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 July 2024.

How much traffic does US 287 over Indian Creek carry?

About 1,782 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is US 287 over Indian Creek?

The structure is 85 ft (25.9 m) long with a longest span of 27 ft (8.2 m) and a deck 42 ft wide.

Who owns US 287 over Indian Creek?

It is owned by the State Highway Agency.