US Bridges

US-40 (SR-40) over I-80 (SR-80)

Fair

Summit County, Utah · Silver Creek Jct.Intchg. · Structure no. 0C 900

Built
2001
24 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
190 ft
2 main spans
Daily traffic
28,140
2014 count
Owner
State
State Highway Agency

About this bridge

US-40 (SR-40) over I-80 (SR-80) is a steel continuous stringer/multi-beam or girder carrying US-40 (SR-40) over I-80 (SR-80) in Summit County, Utah. It was built in 2001, so it is 24 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 28,140 vehicles a day, roughly 27% of them trucks, projected to reach 35,175 by 2034. The structure is 190 ft (57.8 m) long and 97 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesUS-40 (SR-40)
CrossesI-80 (SR-80)
LocationSilver Creek Jct.Intchg.
RouteU.S. Route 40
StateUtah
Coordinates40.7317, -111.49815
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.3 US tons
Inventory rating57.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length190 ft (57.8 m)
Longest span95 ft (29 m)
Deck width97 ft (29.6 m)
Roadway width94 ft (28.6 m)
Vertical clearance over deck17 ft (5.3 m)

Traffic and service

Average daily traffic28,140 (2014)
Projected traffic35,175 by 2034
Trucks27%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemYes

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-40 (SR-40) over I-80 (SR-80) built?

It was built in 2001, making it 24 years old in 2025.

What condition is US-40 (SR-40) over I-80 (SR-80) 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 2024.

How much traffic does US-40 (SR-40) over I-80 (SR-80) carry?

About 28,140 vehicles per day (2014 count), of which roughly 27% are trucks.

How long is US-40 (SR-40) over I-80 (SR-80)?

The structure is 190 ft (57.8 m) long with a longest span of 95 ft (29 m) and a deck 97 ft wide.

Who owns US-40 (SR-40) over I-80 (SR-80)?

It is owned by the State Highway Agency.