US Bridges

I-15 (SR-15) Sbl over 500 South Street

Good

Davis County, Utah · 500 So.Intchg. Bountiful · Structure no. 3F 855

Built
2015
10 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
115 ft
1 main span
Daily traffic
157,594
2023 count
Owner
State
State Highway Agency

About this bridge

I-15 (SR-15) Sbl over 500 South Street is a prestressed concrete stringer/multi-beam or girder carrying I-15 (SR-15) Sbl over 500 South Street in Davis County, Utah. It was built in 2015, so it is 10 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 157,594 vehicles a day, roughly 14% of them trucks, projected to reach 189,113 by 2043. The structure is 115 ft (35.1 m) long and 83 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-15 (SR-15) Sbl
Crosses500 South Street
Location500 So.Intchg. Bountiful
RouteInterstate 15
CountyDavis County
StateUtah
Coordinates40.88421, -111.89644
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.
Superstructure8 Very GoodNo problems noted.
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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length115 ft (35.1 m)
Longest span111 ft (33.8 m)
Deck width83 ft (25.3 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic157,594 (2023)
Projected traffic189,113 by 2043
Trucks14%
Lanes on structure5
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
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) Sbl over 500 South Street built?

It was built in 2015, making it 10 years old in 2025.

What condition is I-15 (SR-15) Sbl over 500 South Street 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) Sbl over 500 South Street carry?

About 157,594 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is I-15 (SR-15) Sbl over 500 South Street?

The structure is 115 ft (35.1 m) long with a longest span of 111 ft (33.8 m) and a deck 83 ft wide.

Who owns I-15 (SR-15) Sbl over 500 South Street?

It is owned by the State Highway Agency.