US Bridges

I-15SB (SR-15) over 600 South St. in Provo

Good

Utah County, Utah · 1050 W. 600 So. in Provo · Structure no. 3F 829

Built
2011
14 years old
Condition
Good
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
108 ft
1 main span
Daily traffic
135,161
2023 count
Owner
State
State Highway Agency

About this bridge

I-15SB (SR-15) over 600 South St. in Provo is a prestressed concrete stringer/multi-beam or girder carrying I-15SB (SR-15) over 600 South St. in Provo in Utah County, Utah. It was built in 2011, so it is 14 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 135,161 vehicles a day, roughly 23% of them trucks, projected to reach 162,193 by 2043. The structure is 108 ft (32.9 m) long and 100 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-15SB (SR-15)
Crosses600 South St. in Provo
Location1050 W. 600 So. in Provo
RouteInterstate 15
CountyUtah County
StateUtah
Coordinates40.22598, -111.67729
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.
Substructure8 Very GoodNo problems noted.
Last inspectionJanuary 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 rating74.3 US tons
Inventory rating47.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length108 ft (32.9 m)
Longest span103 ft (31.3 m)
Deck width100 ft (30.6 m)
Roadway width98 ft (29.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic135,161 (2023)
Projected traffic162,193 by 2043
Trucks23%
Lanes on structure6
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkSTRAHNET connector

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-15SB (SR-15) over 600 South St. in Provo built?

It was built in 2011, making it 14 years old in 2025.

What condition is I-15SB (SR-15) over 600 South St. in Provo 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 January 2023.

How much traffic does I-15SB (SR-15) over 600 South St. in Provo carry?

About 135,161 vehicles per day (2023 count), of which roughly 23% are trucks.

How long is I-15SB (SR-15) over 600 South St. in Provo?

The structure is 108 ft (32.9 m) long with a longest span of 103 ft (31.3 m) and a deck 100 ft wide.

Who owns I-15SB (SR-15) over 600 South St. in Provo?

It is owned by the State Highway Agency.