US Bridges

I-70 (SR-70) over State Canal

Fair

Sevier County, Utah · 6.6 Mi. N. of Richfield · Structure no. 0E2290

Built
1988
37 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete Continuous
Length
29 ft
2 main spans
Daily traffic
10,111
2022 count
Owner
State
State Highway Agency

About this bridge

I-70 (SR-70) over State Canal is a concrete continuous culvert carrying I-70 (SR-70) over State Canal in Sevier County, Utah. It was built in 1988, so it is 37 years old, younger 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 10,111 vehicles a day, roughly 33% of them trucks, projected to reach 12,133 by 2042. The structure is 29 ft (8.7 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesI-70 (SR-70)
CrossesState Canal
Location6.6 Mi. N. of Richfield
RouteInterstate 70
CountySevier County
StateUtah
Coordinates38.85389, -111.99556
Functional classRural Principal Arterial - Interstate

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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.8 US tons
Inventory rating41.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length29 ft (8.7 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,111 (2022)
Projected traffic12,133 by 2042
Trucks33%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate 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 I-70 (SR-70) over State Canal built?

It was built in 1988, making it 37 years old in 2025.

What condition is I-70 (SR-70) over State 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 May 2023.

How much traffic does I-70 (SR-70) over State Canal carry?

About 10,111 vehicles per day (2022 count), of which roughly 33% are trucks.

How long is I-70 (SR-70) over State Canal?

The structure is 29 ft (8.7 m) long with a longest span of 13 ft (4 m).

Who owns I-70 (SR-70) over State Canal?

It is owned by the State Highway Agency.