US Bridges

SR-139 over Spring Glen Wash

Fair

Carbon County, Utah · Spring Glen So. of Helper · Structure no. 0D 360

Built
1938
87 years old, rebuilt 1946
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
1,225
2014 count
Owner
State
State Highway Agency

About this bridge

SR-139 over Spring Glen Wash is a concrete culvert carrying SR-139 over Spring Glen Wash in Carbon County, Utah. It was built in 1938 and reconstructed in 1946, so it is 87 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 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 1,225 vehicles a day, roughly 16% of them trucks, projected to reach 1,532 by 2034. The structure is 23 ft (6.9 m) long and 48 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSR-139
CrossesSpring Glen Wash
LocationSpring Glen So. of Helper
RouteState Highway 139
CountyCarbon County
StateUtah
Coordinates39.66434, -110.8555
Functional classUrban 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 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 adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating21.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length23 ft (6.9 m)
Longest span21 ft (6.3 m)
Deck width48 ft (14.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,225 (2014)
Projected traffic1,532 by 2034
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR-139 over Spring Glen Wash built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1946.

What condition is SR-139 over Spring Glen Wash 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 2023.

How much traffic does SR-139 over Spring Glen Wash carry?

About 1,225 vehicles per day (2014 count), of which roughly 16% are trucks.

How long is SR-139 over Spring Glen Wash?

The structure is 23 ft (6.9 m) long with a longest span of 21 ft (6.3 m) and a deck 48 ft wide.

Who owns SR-139 over Spring Glen Wash?

It is owned by the State Highway Agency.