US Bridges

US 191 over Warm Springs Creek

Fair

Fergus County, Montana · 5M SW Hilger · Structure no. P00043010+00561

Built
2011
14 years old
Condition
Fair
inspected July 2023
Type
Slab
Prestressed Concrete
Length
92 ft
3 main spans
Daily traffic
851
2023 count
Owner
State
State Highway Agency

About this bridge

US 191 over Warm Springs Creek is a prestressed concrete slab carrying US 191 over Warm Springs Creek in Fergus County, Montana. It was built in 2011, so it is 14 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 851 vehicles a day, roughly 3% of them trucks, projected to reach 894 by 2043. The structure is 92 ft (28 m) long and 31 ft wide. If it were closed, the detour would be 93.8 mi (151 km).

Location

Open in Google Maps
CarriesUS 191
CrossesWarm Springs Creek
Location5M SW Hilger
RouteU.S. Route 191
CountyFergus County
StateMontana
Coordinates47.19677, -109.40153
Functional classRural Principal Arterial - Other

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating38 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans3
Design loadHL 93
Structure length92 ft (28 m)
Longest span32 ft (9.8 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic851 (2023)
Projected traffic894 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed93.8 mi (151 km)
TollOn a free road
National Highway SystemYes

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 191 over Warm Springs Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is US 191 over Warm Springs 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 2023.

How much traffic does US 191 over Warm Springs Creek carry?

About 851 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is US 191 over Warm Springs Creek?

The structure is 92 ft (28 m) long with a longest span of 32 ft (9.8 m) and a deck 31 ft wide.

Who owns US 191 over Warm Springs Creek?

It is owned by the State Highway Agency.