US Bridges

I-70 (SR-70) Ebl over Cottonwood Wash

Fair

Grand County, Utah · 4.3 Mi.E.Of E.Cisco Int. · Structure no. 2D 549

Built
1958
67 years old, rebuilt 1972
Condition
Fair
inspected September 2023
Type
Frame
Concrete Continuous
Length
135 ft
2 main spans
Daily traffic
8,971
2021 count
Owner
State
State Highway Agency

About this bridge

I-70 (SR-70) Ebl over Cottonwood Wash is a concrete continuous frame carrying I-70 (SR-70) Ebl over Cottonwood Wash in Grand County, Utah. It was built in 1958 and reconstructed in 1972, so it is 67 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 8,971 vehicles a day, roughly 50% of them trucks, projected to reach 10,765 by 2041. The structure is 135 ft (41.1 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-70 (SR-70) Ebl
CrossesCottonwood Wash
Location4.3 Mi.E.Of E.Cisco Int.
RouteInterstate 70
CountyGrand County
StateUtah
Coordinates39.08098, -109.22575
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.8 US tons
Inventory rating21.4 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length135 ft (41.1 m)
Longest span62 ft (18.8 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,971 (2021)
Projected traffic10,765 by 2041
Trucks50%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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) Ebl over Cottonwood Wash built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1972.

What condition is I-70 (SR-70) Ebl over Cottonwood Wash 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 I-70 (SR-70) Ebl over Cottonwood Wash carry?

About 8,971 vehicles per day (2021 count), of which roughly 50% are trucks.

How long is I-70 (SR-70) Ebl over Cottonwood Wash?

The structure is 135 ft (41.1 m) long with a longest span of 62 ft (18.8 m) and a deck 44 ft wide.

Who owns I-70 (SR-70) Ebl over Cottonwood Wash?

It is owned by the State Highway Agency.