US Bridges

Golden LN over Clarks Fk Yellowstne 008

Fair

Carbon County, Montana · 6M SW Bridger · Structure no. L05404000+05001

Built
1981
44 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Prestressed Concrete
Length
190 ft
2 main spans
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Golden LN over Clarks Fk Yellowstne 008 is a prestressed concrete tee beam carrying Golden LN over Clarks Fk Yellowstne 008 in Carbon County, Montana. It was built in 1981, so it is 44 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 190 ft (57.9 m) long and 19 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesGolden LN
CrossesClarks Fk Yellowstne 008
Location6M SW Bridger
RouteCounty Highway 5311
CountyCarbon County
StateMontana
Coordinates45.2179, -108.95575
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length190 ft (57.9 m)
Longest span94 ft (28.7 m)
Deck width19 ft (5.9 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2025)
Projected traffic100 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Golden LN over Clarks Fk Yellowstne 008 built?

It was built in 1981, making it 44 years old in 2025.

What condition is Golden LN over Clarks Fk Yellowstne 008 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 August 2023.

How much traffic does Golden LN over Clarks Fk Yellowstne 008 carry?

About 100 vehicles per day (2025 count), of which roughly 3% are trucks.

How long is Golden LN over Clarks Fk Yellowstne 008?

The structure is 190 ft (57.9 m) long with a longest span of 94 ft (28.7 m) and a deck 19 ft wide.

Who owns Golden LN over Clarks Fk Yellowstne 008?

It is owned by the County Highway Agency.