US Bridges

US-6 (SR-6) over UPRR & City Street

Fair

Millard County, Utah · West Side of Delta · Structure no. 0F 297

Built
1973
52 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
207 ft
4 main spans
Daily traffic
6,885
2021 count
Owner
State
State Highway Agency

About this bridge

US-6 (SR-6) over UPRR & City Street is a prestressed concrete continuous stringer/multi-beam or girder carrying US-6 (SR-6) over UPRR & City Street 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 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 6,885 vehicles a day, roughly 27% of them trucks, projected to reach 8,262 by 2041. The structure is 207 ft (63 m) long and 51 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesUS-6 (SR-6)
CrossesUPRR & City Street
LocationWest Side of Delta
RouteU.S. Route 6
StateUtah
Coordinates39.35245, -112.58663
Functional classRural Principal Arterial - Other

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating51.8 US tons
Inventory rating30.3 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length207 ft (63 m)
Longest span63 ft (19.3 m)
Deck width51 ft (15.5 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,885 (2021)
Projected traffic8,262 by 2041
Trucks27%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemYes

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 UPRR & City Street built?

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

What condition is US-6 (SR-6) over UPRR & City Street 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 UPRR & City Street carry?

About 6,885 vehicles per day (2021 count), of which roughly 27% are trucks.

How long is US-6 (SR-6) over UPRR & City Street?

The structure is 207 ft (63 m) long with a longest span of 63 ft (19.3 m) and a deck 51 ft wide.

Who owns US-6 (SR-6) over UPRR & City Street?

It is owned by the State Highway Agency.