US Bridges

I-15 (SR-15) over Center St. (cudahy Ln.)

Good

Davis County, Utah · West Side of No.Salt Lake · Structure no. 0C 804

Built
1997
28 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
107 ft
3 main spans
Daily traffic
164,022
2017 count
Owner
State
State Highway Agency

About this bridge

I-15 (SR-15) over Center St. (cudahy Ln.) is a steel continuous stringer/multi-beam or girder carrying I-15 (SR-15) over Center St. (cudahy Ln.) in Davis County, Utah. It was built in 1997, so it is 28 years old, younger than the Utah average of 40.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 164,022 vehicles a day, roughly 9% of them trucks, projected to reach 196,826 by 2037. The structure is 107 ft (32.7 m) long and 175 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-15 (SR-15)
CrossesCenter St. (cudahy Ln.)
LocationWest Side of No.Salt Lake
RouteInterstate 15
CountyDavis County
StateUtah
Coordinates40.84167, -111.91528
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.5 US tons
Inventory rating50.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length107 ft (32.7 m)
Longest span76 ft (23.3 m)
Deck width175 ft (53.3 m)
Roadway width160 ft (48.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic164,022 (2017)
Projected traffic196,826 by 2037
Trucks9%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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-15 (SR-15) over Center St. (cudahy Ln.) built?

It was built in 1997, making it 28 years old in 2025.

What condition is I-15 (SR-15) over Center St. (cudahy Ln.) in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does I-15 (SR-15) over Center St. (cudahy Ln.) carry?

About 164,022 vehicles per day (2017 count), of which roughly 9% are trucks.

How long is I-15 (SR-15) over Center St. (cudahy Ln.)?

The structure is 107 ft (32.7 m) long with a longest span of 76 ft (23.3 m) and a deck 175 ft wide.

Who owns I-15 (SR-15) over Center St. (cudahy Ln.)?

It is owned by the State Highway Agency.