US Bridges

US 87 over Wolf Creek

Good

Judith Basin County, Montana · 1M W Stanford · Structure no. P00057034+09231

Built
1993
32 years old
Condition
Good
inspected May 2024
Type
Slab
Concrete Continuous
Length
60 ft
3 main spans
Daily traffic
2,300
2023 count
Owner
State
State Highway Agency

About this bridge

US 87 over Wolf Creek is a concrete continuous slab carrying US 87 over Wolf Creek in Judith Basin County, Montana. It was built in 1993, so it is 32 years old, younger than the Montana average of 47 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,300 vehicles a day, roughly 17% of them trucks, projected to reach 2,415 by 2043. The structure is 60 ft (18.3 m) long and 43 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesUS 87
CrossesWolf Creek
Location1M W Stanford
RouteU.S. Route 87
StateMontana
Coordinates47.15878, -110.25179
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating42 US tons
Inventory rating33 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span23 ft (7 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2023)
Projected traffic2,415 by 2043
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 87 over Wolf Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is US 87 over Wolf Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does US 87 over Wolf Creek carry?

About 2,300 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is US 87 over Wolf Creek?

The structure is 60 ft (18.3 m) long with a longest span of 23 ft (7 m) and a deck 43 ft wide.

Who owns US 87 over Wolf Creek?

It is owned by the State Highway Agency.