BridgeSafety
Salt Lake County, UT · Structure #1F 647N

I-15 (SR-15) NBL

I-15 (SR-15) NBL in Wasatch Street 400 West, Salt Lake County, Utah received a condition grade of A (81/100). Built in 1999, the bridge carries 230K vehicles daily on I-15 (SR-15) NBL over 8000 South ST. Wasatch.

A
81/100
81
Condition Score
230K
Daily Traffic
1999
Year Built
38.5m
Length

Component Ratings

DeckGood
7/9

The riding surface — evaluated for cracking, spalling, and wear

SuperstructureGood
8/9

Beams, girders, and trusses that support the deck

SubstructureGood
7/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
I-15 (SR-15) NBL
Crosses Over
8000 South ST. Wasatch
State
Utah
County
Salt Lake County
Location
Wasatch Street 400 West
Year Built
1999
Age
27 years
Daily Traffic
230,000
Lanes
6
Length
38.5 meters
Owner
State Highway Agency
Structure Number
1F 647N

About This Bridge

I-15 (SR-15) NBL is a 27-year-old bridge located Wasatch Street 400 West in Salt Lake County, Utah. The bridge carries I-15 (SR-15) NBL over 8000 South ST. Wasatch with 6 traffic lanes, handling approximately 230K vehicles per day. Built in 1999, the structure spans 38.5 meters.

The bridge received a Condition Grade of A (81/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 8/9 (good), and substructure 7/9 (good).

This bridge is owned and maintained by State Highway Agency.

Location Map

Wasatch Street 400 West, Salt Lake County, Utah

40.605694, -111.904611

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Frequently Asked Questions

I-15 (SR-15) NBL has a Condition Score of 81/100 (Grade A). Its deck is rated 7/9, superstructure 8/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.

I-15 (SR-15) NBL was built in 1999, making it 27 years old. The average bridge age in the United States is 48 years.

I-15 (SR-15) NBL carries approximately 230K vehicles per day (average daily traffic). The bridge has 6 traffic lanes. It is 38.5 meters long and located on I-15 (SR-15) NBL in Wasatch Street 400 West, Salt Lake County, Utah.

No, I-15 (SR-15) NBL is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.

I-15 (SR-15) NBL is located Wasatch Street 400 West in Salt Lake County, Utah. The bridge carries I-15 (SR-15) NBL over 8000 South ST. Wasatch. Its coordinates are 40.605694, -111.904611. It is maintained by State Highway Agency.

I-15 (SR-15) NBL carries I-15 (SR-15) NBL over 8000 South ST. Wasatch. The bridge is 38.5 meters long and was built in 1999.

Last updated:

Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.