US Bridges

Bailey Road over Bear River

Fair

Caribou County, Idaho · 2.6 S. 0.9 E.Soda Springs · Structure no. 000000000023260

Built
1986
39 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
160 ft
2 main spans
Daily traffic
760
2023 count
Owner
County
County Highway Agency

About this bridge

Bailey Road over Bear River is a prestressed concrete stringer/multi-beam or girder carrying Bailey Road over Bear River in Caribou County, Idaho. It was built in 1986, so it is 39 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 760 vehicles a day, roughly 3% of them trucks, projected to reach 1,140 by 2042. The structure is 160 ft (48.8 m) long and 38 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesBailey Road
CrossesBear River
Location2.6 S. 0.9 E.Soda Springs
RouteCounty Highway 0
StateIdaho
Coordinates42.61614, -111.58536
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
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 alignment7: Better than present minimum criteria
Operating rating73 US tons
Inventory rating38 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length160 ft (48.8 m)
Longest span79 ft (24.1 m)
Deck width38 ft (11.5 m)
Roadway width35 ft (10.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic760 (2023)
Projected traffic1,140 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 Bailey Road over Bear River built?

It was built in 1986, making it 39 years old in 2025.

What condition is Bailey 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 Bailey Road over Bear River carry?

About 760 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Bailey Road over Bear River?

The structure is 160 ft (48.8 m) long with a longest span of 79 ft (24.1 m) and a deck 38 ft wide.

Who owns Bailey Road over Bear River?

It is owned by the County Highway Agency.