US Bridges

US 191 over RR

Good

Wheatland County, Montana · Judith Gap · Structure no. P00063017+07941

Built
2009
16 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
230 ft
3 main spans
Daily traffic
2,316
2023 count
Owner
State
State Highway Agency

About this bridge

US 191 over RR is a prestressed concrete stringer/multi-beam or girder carrying US 191 over RR in Wheatland County, Montana. It was built in 2009, so it is 16 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 2,316 vehicles a day, roughly 17% of them trucks, projected to reach 2,490 by 2043. The structure is 230 ft (70.2 m) long and 43 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesUS 191
CrossesRR
LocationJudith Gap
RouteU.S. Route 191
StateMontana
Coordinates46.67409, -109.75267
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.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating44 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length230 ft (70.2 m)
Longest span120 ft (36.6 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,316 (2023)
Projected traffic2,490 by 2043
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 191 over RR built?

It was built in 2009, making it 16 years old in 2025.

What condition is US 191 over RR 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 September 2024.

How much traffic does US 191 over RR carry?

About 2,316 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is US 191 over RR?

The structure is 230 ft (70.2 m) long with a longest span of 120 ft (36.6 m) and a deck 43 ft wide.

Who owns US 191 over RR?

It is owned by the State Highway Agency.