US Bridges

I-15 NB over 9000 S

Good

Salt Lake County, Utah · I-15 NB over 9000 S · Structure no. 1C1063

Built
2020
5 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
240 ft
1 main span
Daily traffic
47,600
2020 count
Owner
State
State Highway Agency

About this bridge

I-15 NB over 9000 S is a steel stringer/multi-beam or girder carrying I-15 NB over 9000 S in Salt Lake County, Utah. It was built in 2020, so it is 5 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 47,600 vehicles a day, projected to reach 58,800 by 2040. The structure is 240 ft (73.2 m) long and 63 ft wide.

CarriesI-15 NB
Crosses9000 S
LocationI-15 NB over 9000 S
RouteInterstate 15
StateUtah
Coordinates40.588, -111.9
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating39.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length240 ft (73.2 m)
Longest span240 ft (73.2 m)
Deck width63 ft (19.1 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47,600 (2020)
Projected traffic58,800 by 2040
Trucks—
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 NB over 9000 S built?

It was built in 2020, making it 5 years old in 2025.

What condition is I-15 NB over 9000 S 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 October 2024.

How much traffic does I-15 NB over 9000 S carry?

About 47,600 vehicles per day (2020 count).

How long is I-15 NB over 9000 S?

The structure is 240 ft (73.2 m) long with a longest span of 240 ft (73.2 m) and a deck 63 ft wide.

Who owns I-15 NB over 9000 S?

It is owned by the State Highway Agency.