US Bridges

I-15 over SR-232 Hill Field RD

Good

Davis County, Utah · Hill Field RD Interchange · Structure no. 3C1032

Built
2016
9 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
181 ft
1 main span
Daily traffic
143,101
2023 count
Owner
State
State Highway Agency

About this bridge

I-15 over SR-232 Hill Field RD is a steel stringer/multi-beam or girder carrying I-15 over SR-232 Hill Field RD in Davis County, Utah. It was built in 2016, so it is 9 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 143,101 vehicles a day, roughly 32% of them trucks, projected to reach 171,721 by 2043. The structure is 181 ft (55.3 m) long and 90 ft wide.

Location

Open in Google Maps
CarriesI-15
CrossesSR-232 Hill Field RD
LocationHill Field RD Interchange
RouteInterstate 15
CountyDavis County
StateUtah
Coordinates41.07389, -111.97667
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.3 US tons
Inventory rating47.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length181 ft (55.3 m)
Longest span0 ft (0 m)
Deck width90 ft (27.4 m)
Roadway width87 ft (26.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic143,101 (2023)
Projected traffic171,721 by 2043
Trucks32%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 over SR-232 Hill Field RD built?

It was built in 2016, making it 9 years old in 2025.

What condition is I-15 over SR-232 Hill Field RD 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 over SR-232 Hill Field RD carry?

About 143,101 vehicles per day (2023 count), of which roughly 32% are trucks.

How long is I-15 over SR-232 Hill Field RD?

The structure is 181 ft (55.3 m) long and a deck 90 ft wide.

Who owns I-15 over SR-232 Hill Field RD?

It is owned by the State Highway Agency.