US Bridges

US-6 (SR-6) over Sevier River

Fair

Millard County, Utah · 5.3 Miles Ne. of Delta · Structure no. 0F 341

Built
1973
52 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
141 ft
2 main spans
Daily traffic
2,545
2014 count
Owner
State
State Highway Agency

About this bridge

US-6 (SR-6) over Sevier River is a prestressed concrete continuous stringer/multi-beam or girder carrying US-6 (SR-6) over Sevier River in Millard County, Utah. It was built in 1973, so it is 52 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 2,545 vehicles a day, roughly 30% of them trucks, projected to reach 3,182 by 2034. The structure is 141 ft (43 m) long and 42 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesUS-6 (SR-6)
CrossesSevier River
Location5.3 Miles Ne. of Delta
RouteU.S. Route 6
StateUtah
Coordinates39.40057, -112.49898
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length141 ft (43 m)
Longest span69 ft (21 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,545 (2014)
Projected traffic3,182 by 2034
Trucks30%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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 US-6 (SR-6) over Sevier River built?

It was built in 1973, making it 52 years old in 2025.

What condition is US-6 (SR-6) over Sevier 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 February 2023.

How much traffic does US-6 (SR-6) over Sevier River carry?

About 2,545 vehicles per day (2014 count), of which roughly 30% are trucks.

How long is US-6 (SR-6) over Sevier River?

The structure is 141 ft (43 m) long with a longest span of 69 ft (21 m) and a deck 42 ft wide.

Who owns US-6 (SR-6) over Sevier River?

It is owned by the State Highway Agency.