US Bridges

S 287 over Wisconsin Creek

Fair

Madison County, Montana · 3M NW Sheridan · Structure no. P00029037+02091

Built
1999
26 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete
Length
42 ft
1 main span
Daily traffic
1,901
2023 count
Owner
State
State Highway Agency

About this bridge

S 287 over Wisconsin Creek is a concrete slab carrying S 287 over Wisconsin Creek in Madison County, Montana. It was built in 1999, so it is 26 years old, younger 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 1,901 vehicles a day, roughly 4% of them trucks, projected to reach 1,996 by 2043. The structure is 42 ft (12.9 m) long and 43 ft wide. If it were closed, the detour would be 110 mi (177 km).

Location

Open in Google Maps
CarriesS 287
CrossesWisconsin Creek
Location3M NW Sheridan
RouteState Highway 287
CountyMadison County
StateMontana
Coordinates45.49167, -112.25023
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating40 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length42 ft (12.9 m)
Longest span42 ft (12.9 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,901 (2023)
Projected traffic1,996 by 2043
Trucks4%
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 statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S 287 over Wisconsin Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is S 287 over Wisconsin 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 September 2023.

How much traffic does S 287 over Wisconsin Creek carry?

About 1,901 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is S 287 over Wisconsin Creek?

The structure is 42 ft (12.9 m) long with a longest span of 42 ft (12.9 m) and a deck 43 ft wide.

Who owns S 287 over Wisconsin Creek?

It is owned by the State Highway Agency.