US Bridges

SR-142 over Bear River

Fair

Cache County, Utah · 0.5 Mile East of Trenton · Structure no. 0C 386

Built
1962
63 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
186 ft
3 main spans
Daily traffic
735
2014 count
Owner
State
State Highway Agency

About this bridge

SR-142 over Bear River is a steel stringer/multi-beam or girder carrying SR-142 over Bear River in Cache County, Utah. It was built in 1962, so it is 63 years old, older than the Utah average of 40.1 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 735 vehicles a day, roughly 24% of them trucks, projected to reach 919 by 2034. The structure is 186 ft (56.8 m) long and 33 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesSR-142
CrossesBear River
Location0.5 Mile East of Trenton
RouteState Highway 142
CountyCache County
StateUtah
Coordinates41.92222, -111.90667
Functional classRural Major 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 19 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating39.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length186 ft (56.8 m)
Longest span61 ft (18.7 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic735 (2014)
Projected traffic919 by 2034
Trucks24%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR-142 over Bear River built?

It was built in 1962, making it 63 years old in 2025.

What condition is SR-142 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 December 2023.

How much traffic does SR-142 over Bear River carry?

About 735 vehicles per day (2014 count), of which roughly 24% are trucks.

How long is SR-142 over Bear River?

The structure is 186 ft (56.8 m) long with a longest span of 61 ft (18.7 m) and a deck 33 ft wide.

Who owns SR-142 over Bear River?

It is owned by the State Highway Agency.