US Bridges

US-6 (SR-6) over Union Pacific Railroad

Fair

Emery County, Utah · 9 Miles South of Woodside · Structure no. 0F 256

Built
1970
55 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
196 ft
3 main spans
Daily traffic
6,619
2022 count
Owner
State
State Highway Agency

About this bridge

US-6 (SR-6) over Union Pacific Railroad is a prestressed concrete stringer/multi-beam or girder carrying US-6 (SR-6) over Union Pacific Railroad in Emery County, Utah. It was built in 1970, so it is 55 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 6,619 vehicles a day, roughly 45% of them trucks, projected to reach 7,943 by 2042. The structure is 196 ft (59.6 m) long and 46 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesUS-6 (SR-6)
CrossesUnion Pacific Railroad
Location9 Miles South of Woodside
RouteU.S. Route 6
CountyEmery County
StateUtah
Coordinates39.13608, -110.33749
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 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 alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating30 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length196 ft (59.6 m)
Longest span76 ft (23.1 m)
Deck width46 ft (14 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic6,619 (2022)
Projected traffic7,943 by 2042
Trucks45%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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 Union Pacific Railroad built?

It was built in 1970, making it 55 years old in 2025.

What condition is US-6 (SR-6) over Union Pacific Railroad 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 September 2023.

How much traffic does US-6 (SR-6) over Union Pacific Railroad carry?

About 6,619 vehicles per day (2022 count), of which roughly 45% are trucks.

How long is US-6 (SR-6) over Union Pacific Railroad?

The structure is 196 ft (59.6 m) long with a longest span of 76 ft (23.1 m) and a deck 46 ft wide.

Who owns US-6 (SR-6) over Union Pacific Railroad?

It is owned by the State Highway Agency.