US Bridges

County Road over Bear River

Poor

Cache County, Utah · 1.5 Miles No. of Trenton · Structure no. 005034C

Built
1925
100 years old
Condition
Poor
inspected May 2024
Type
Truss - Thru
Steel
Length
150 ft
1 main span
Daily traffic
315
2010 count
Owner
County
County Highway Agency

About this bridge

County Road over Bear River is a steel truss - thru carrying County Road over Bear River in Cache County, Utah. It was built in 1925, so it is 100 years old, older than the Utah average of 40.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 315 vehicles a day, roughly 1% of them trucks, projected to reach 383 by 2030. The structure is 150 ft (45.7 m) long and 21 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCounty Road
CrossesBear River
Location1.5 Miles No. of Trenton
RouteCounty Highway 1274
CountyCache County
StateUtah
Coordinates41.93894, -111.94056
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating42.9 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length150 ft (45.7 m)
Longest span148 ft (45.1 m)
Deck width21 ft (6.4 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deck13 ft (3.9 m)

Traffic and service

Average daily traffic315 (2010)
Projected traffic383 by 2030
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was County Road over Bear River built?

It was built in 1925, making it 100 years old in 2025.

What condition is County Road over Bear River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does County Road over Bear River carry?

About 315 vehicles per day (2010 count), of which roughly 1% are trucks.

How long is County Road over Bear River?

The structure is 150 ft (45.7 m) long with a longest span of 148 ft (45.1 m) and a deck 21 ft wide.

Who owns County Road over Bear River?

It is owned by the County Highway Agency.