US Bridges

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

Fair

Carbon County, Utah · 0.5 Mi. E. Dragerton Jct. · Structure no. 0C 320

Built
1959
66 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
137 ft
3 main spans
Daily traffic
7,203
2021 count
Owner
State
State Highway Agency

About this bridge

US-6 (SR-6) over Union Pacific Railroad is a steel stringer/multi-beam or girder carrying US-6 (SR-6) over Union Pacific Railroad in Carbon County, Utah. It was built in 1959, so it is 66 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 7,203 vehicles a day, roughly 45% of them trucks, projected to reach 8,644 by 2041. The structure is 137 ft (41.9 m) long and 41 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesUS-6 (SR-6)
CrossesUnion Pacific Railroad
Location0.5 Mi. E. Dragerton Jct.
RouteU.S. Route 6
CountyCarbon County
StateUtah
Coordinates39.52191, -110.5646
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.8 US tons
Inventory rating52.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length137 ft (41.9 m)
Longest span45 ft (13.7 m)
Deck width41 ft (12.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic7,203 (2021)
Projected traffic8,644 by 2041
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 1959, making it 66 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 7,203 vehicles per day (2021 count), of which roughly 45% are trucks.

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

The structure is 137 ft (41.9 m) long with a longest span of 45 ft (13.7 m) and a deck 41 ft wide.

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

It is owned by the State Highway Agency.