US Bridges

County Road over Bear River

Fair

Bear Lake County, Idaho · 0.8 N. 1.7 W. Bennington · Structure no. 000000000022210

Built
1984
41 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
138 ft
2 main spans
Daily traffic
70
2023 count
Owner
County
County Highway Agency

About this bridge

County Road over Bear River is a prestressed concrete stringer/multi-beam or girder carrying County Road over Bear River in Bear Lake County, Idaho. It was built in 1984, so it is 41 years old, younger than the Idaho average of 45.3 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 70 vehicles a day, roughly 17% of them trucks, projected to reach 105 by 2042. The structure is 138 ft (42.1 m) long and 30 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesCounty Road
CrossesBear River
Location0.8 N. 1.7 W. Bennington
RouteCounty Highway 0
CountyBear Lake County
StateIdaho
Coordinates42.401, -111.35469
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length138 ft (42.1 m)
Longest span67 ft (20.4 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2023)
Projected traffic105 by 2042
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road over Bear River built?

It was built in 1984, making it 41 years old in 2025.

What condition is County Road over Bear River 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 April 2024.

How much traffic does County Road over Bear River carry?

About 70 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is County Road over Bear River?

The structure is 138 ft (42.1 m) long with a longest span of 67 ft (20.4 m) and a deck 30 ft wide.

Who owns County Road over Bear River?

It is owned by the County Highway Agency.