US Bridges

I-70 (SR-70) Ebl over Co.Rd. & Thompson Wa

Fair

Grand County, Utah · .6 Mi.W.Of Thompson Int · Structure no. 2F 339

Built
1975
50 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
194 ft
2 main spans
Daily traffic
10,152
2017 count
Owner
State
State Highway Agency

About this bridge

I-70 (SR-70) Ebl over Co.Rd. & Thompson Wa is a prestressed concrete continuous stringer/multi-beam or girder carrying I-70 (SR-70) Ebl over Co.Rd. & Thompson Wa in Grand County, Utah. It was built in 1975, so it is 50 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 10,152 vehicles a day, roughly 45% of them trucks, projected to reach 12,182 by 2037. The structure is 194 ft (59.2 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
CrossesCo.Rd. & Thompson Wa
Location.6 Mi.W.Of Thompson Int
RouteInterstate 70
CountyGrand County
StateUtah
Coordinates38.95933, -109.73256
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
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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 rating71.1 US tons
Inventory rating38.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length194 ft (59.2 m)
Longest span95 ft (29.1 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,152 (2017)
Projected traffic12,182 by 2037
Trucks45%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
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 Co.Rd. & Thompson Wa built?

It was built in 1975, making it 50 years old in 2025.

What condition is I-70 (SR-70) Ebl over Co.Rd. & Thompson Wa 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 Co.Rd. & Thompson Wa carry?

About 10,152 vehicles per day (2017 count), of which roughly 45% are trucks.

How long is I-70 (SR-70) Ebl over Co.Rd. & Thompson Wa?

The structure is 194 ft (59.2 m) long with a longest span of 95 ft (29.1 m) and a deck 44 ft wide.

Who owns I-70 (SR-70) Ebl over Co.Rd. & Thompson Wa?

It is owned by the State Highway Agency.