US Bridges

SR-24 over Blue Flat Wash

Good

Wayne County, Utah · 6 Miles W. of Cainville · Structure no. 0V 807

Built
1960
65 years old
Condition
Good
inspected June 2023
Type
Culvert
Steel
Length
47 ft
3 main spans
Daily traffic
335
2017 count
Owner
State
State Highway Agency

About this bridge

SR-24 over Blue Flat Wash is a steel culvert carrying SR-24 over Blue Flat Wash in Wayne County, Utah. It was built in 1960, so it is 65 years old, older than the Utah average of 40.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 335 vehicles a day, roughly 29% of them trucks, projected to reach 402 by 2037. The structure is 47 ft (14.2 m) long. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSR-24
CrossesBlue Flat Wash
Location6 Miles W. of Cainville
RouteState Highway 24
StateUtah
Coordinates38.26881, -111.07358
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating106.5 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadH 15
Structure length47 ft (14.2 m)
Longest span13 ft (3.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic335 (2017)
Projected traffic402 by 2037
Trucks29%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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-24 over Blue Flat Wash built?

It was built in 1960, making it 65 years old in 2025.

What condition is SR-24 over Blue Flat Wash in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does SR-24 over Blue Flat Wash carry?

About 335 vehicles per day (2017 count), of which roughly 29% are trucks.

How long is SR-24 over Blue Flat Wash?

The structure is 47 ft (14.2 m) long with a longest span of 13 ft (3.9 m).

Who owns SR-24 over Blue Flat Wash?

It is owned by the State Highway Agency.