US Bridges

SR-30 over Bear River

FairPosted for load

Rich County, Utah · 1.4 Mi.West of Wyo Line · Structure no. 0C 205

Built
1941
84 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
176 ft
4 main spans
Daily traffic
700
2014 count
Owner
State
State Highway Agency

About this bridge

SR-30 over Bear River is a steel stringer/multi-beam or girder carrying SR-30 over Bear River in Rich County, Utah. It was built in 1941, so it is 84 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. Its operating status is: posted for load restriction.

It carries about 700 vehicles a day, roughly 40% of them trucks, projected to reach 875 by 2034. The structure is 176 ft (53.5 m) long and 28 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

Open in Google Maps
CarriesSR-30
CrossesBear River
Location1.4 Mi.West of Wyo Line
RouteState Highway 30
CountyRich County
StateUtah
Coordinates41.77707, -111.07408
Functional classRural Minor Arterial

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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length176 ft (53.5 m)
Longest span60 ft (18.2 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic700 (2014)
Projected traffic875 by 2034
Trucks40%
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

OwnerState Highway Agency
Maintained byState 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 SR-30 over Bear River built?

It was built in 1941, making it 84 years old in 2025.

What condition is SR-30 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 August 2024.

How much traffic does SR-30 over Bear River carry?

About 700 vehicles per day (2014 count), of which roughly 40% are trucks.

How long is SR-30 over Bear River?

The structure is 176 ft (53.5 m) long with a longest span of 60 ft (18.2 m) and a deck 28 ft wide.

Who owns SR-30 over Bear River?

It is owned by the State Highway Agency.