US Bridges

Silver Summit Pkwy over US-40 (SR-40)

Fair

Summit County, Utah · Silver Summit Interchange · Structure no. 0F 555

Built
1993
32 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
250 ft
2 main spans
Daily traffic
5,811
2012 count
Owner
State
State Highway Agency

About this bridge

Silver Summit Pkwy over US-40 (SR-40) is a prestressed concrete continuous stringer/multi-beam or girder carrying Silver Summit Pkwy over US-40 (SR-40) in Summit County, Utah. It was built in 1993, so it is 32 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 5,811 vehicles a day, projected to reach 7,264 by 2032. The structure is 250 ft (76.3 m) long and 57 ft wide.

Location

Open in Google Maps
CarriesSilver Summit Pkwy
CrossesUS-40 (SR-40)
LocationSilver Summit Interchange
RouteCounty Highway 2636
CountySummit County
StateUtah
Coordinates40.71744, -111.48731
Functional classRural Major Collector

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length250 ft (76.3 m)
Longest span123 ft (37.6 m)
Deck width57 ft (17.5 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic5,811 (2012)
Projected traffic7,264 by 2032
Trucks0%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

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 Silver Summit Pkwy over US-40 (SR-40) built?

It was built in 1993, making it 32 years old in 2025.

What condition is Silver Summit Pkwy over US-40 (SR-40) 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 2024.

How much traffic does Silver Summit Pkwy over US-40 (SR-40) carry?

About 5,811 vehicles per day (2012 count).

How long is Silver Summit Pkwy over US-40 (SR-40)?

The structure is 250 ft (76.3 m) long with a longest span of 123 ft (37.6 m) and a deck 57 ft wide.

Who owns Silver Summit Pkwy over US-40 (SR-40)?

It is owned by the State Highway Agency.