US Bridges

US-6 (SR-6) over Carbon Canal

Fair

Carbon County, Utah · 1.3 Mile So. of Blue Cut · Structure no. 0E2026

Built
1978
47 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
29 ft
1 main span
Daily traffic
14,042
2022 count
Owner
State
State Highway Agency

About this bridge

US-6 (SR-6) over Carbon Canal is a concrete culvert carrying US-6 (SR-6) over Carbon Canal in Carbon County, Utah. It was built in 1978, so it is 47 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 14,042 vehicles a day, roughly 18% of them trucks, projected to reach 16,850 by 2042. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesUS-6 (SR-6)
CrossesCarbon Canal
Location1.3 Mile So. of Blue Cut
RouteU.S. Route 6
CountyCarbon County
StateUtah
Coordinates39.63725, -110.86102
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating106.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length29 ft (8.8 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,042 (2022)
Projected traffic16,850 by 2042
Trucks18%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Carbon Canal built?

It was built in 1978, making it 47 years old in 2025.

What condition is US-6 (SR-6) over Carbon Canal 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 August 2023.

How much traffic does US-6 (SR-6) over Carbon Canal carry?

About 14,042 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is US-6 (SR-6) over Carbon Canal?

The structure is 29 ft (8.8 m) long with a longest span of 24 ft (7.3 m).

Who owns US-6 (SR-6) over Carbon Canal?

It is owned by the State Highway Agency.