US Bridges

E River ST over Clarks Fk Yellowstne 053

Good

Carbon County, Montana · N Edge Fromberg · Structure no. L05307000+07001

Built
2008
17 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
202 ft
3 main spans
Daily traffic
1,105
2023 count
Owner
County
County Highway Agency

About this bridge

E River ST over Clarks Fk Yellowstne 053 is a prestressed concrete stringer/multi-beam or girder carrying E River ST over Clarks Fk Yellowstne 053 in Carbon County, Montana. It was built in 2008, so it is 17 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 1,105 vehicles a day, roughly 3% of them trucks, projected to reach 1,177 by 2043. The structure is 202 ft (61.5 m) long and 30 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesE River ST
CrossesClarks Fk Yellowstne 053
LocationN Edge Fromberg
RouteCounty Highway 5307
StateMontana
Coordinates45.39178, -108.89508
Functional classRural Minor Collector

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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating35.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length202 ft (61.5 m)
Longest span67 ft (20.5 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,105 (2023)
Projected traffic1,177 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was E River ST over Clarks Fk Yellowstne 053 built?

It was built in 2008, making it 17 years old in 2025.

What condition is E River ST over Clarks Fk Yellowstne 053 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 August 2024.

How much traffic does E River ST over Clarks Fk Yellowstne 053 carry?

About 1,105 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is E River ST over Clarks Fk Yellowstne 053?

The structure is 202 ft (61.5 m) long with a longest span of 67 ft (20.5 m) and a deck 30 ft wide.

Who owns E River ST over Clarks Fk Yellowstne 053?

It is owned by the County Highway Agency.