US Bridges

E Bridger RD over Clarks Fk Yellowstne 055

Fair

Carbon County, Montana · E Bridger · Structure no. L05315000+06001

Built
1980
45 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Prestressed Concrete
Length
288 ft
3 main spans
Daily traffic
260
2023 count
Owner
County
County Highway Agency

About this bridge

E Bridger RD over Clarks Fk Yellowstne 055 is a prestressed concrete tee beam carrying E Bridger RD over Clarks Fk Yellowstne 055 in Carbon County, Montana. It was built in 1980, so it is 45 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 5 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 260 vehicles a day, projected to reach 273 by 2043. The structure is 288 ft (87.8 m) long and 26 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesE Bridger RD
CrossesClarks Fk Yellowstne 055
LocationE Bridger
RouteCounty Highway 5308
CountyCarbon County
StateMontana
Coordinates45.29598, -108.89916
Functional classRural Minor Collector

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length288 ft (87.8 m)
Longest span95 ft (29 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic260 (2023)
Projected traffic273 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 E Bridger RD over Clarks Fk Yellowstne 055 built?

It was built in 1980, making it 45 years old in 2025.

What condition is E Bridger RD over Clarks Fk Yellowstne 055 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 E Bridger RD over Clarks Fk Yellowstne 055 carry?

About 260 vehicles per day (2023 count).

How long is E Bridger RD over Clarks Fk Yellowstne 055?

The structure is 288 ft (87.8 m) long with a longest span of 95 ft (29 m) and a deck 26 ft wide.

Who owns E Bridger RD over Clarks Fk Yellowstne 055?

It is owned by the County Highway Agency.