BridgeSafety
Salt Lake County, UT · Structure #3F 657

I-15 SB COL-DIST.

I-15 SB COL-DIST. in 500 West 1300 So.ST. Slc., Salt Lake County, Utah received a condition grade of B (70/100). Built in 2001, the bridge carries 245K vehicles daily on I-15 SB COL-DIST. over 1300 South Street.

I-15 SB COL-DIST. carries a B on the BridgeSafety Condition Score with 70/100. Most component ratings are solid; one or two may show wear consistent with the structure’s age, but the bridge is not flagged as structurally deficient.

The bridge was built in 2001, making it 25 years old — past the early-life period but still well within typical service life. Routine inspections and modest repair work are normal for bridges in this age band. I-15 SB COL-DIST. carries an average daily traffic count of 245,310 vehicles, with 4 lane(s) crossing 1300 South Street. The owning agency is State Highway Agency; bridge inspection records flow into the federal NBI database annually.

B
70/100
70
Condition Score
245K
Daily Traffic
2001
Year Built
55.8m
Length

Component Ratings

DeckFair
6/9

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

SuperstructureGood
7/9

Beams, girders, and trusses that support the deck

SubstructureFair
6/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
I-15 SB COL-DIST.
Crosses Over
1300 South Street
State
Utah
County
Salt Lake County
Location
500 West 1300 So.ST. Slc.
Year Built
2001
Age
25 years
Daily Traffic
245,310
Lanes
4
Length
55.8 meters
Owner
State Highway Agency
Structure Number
3F 657

About This Bridge

I-15 SB COL-DIST. is a 25-year-old bridge located 500 West 1300 So.ST. Slc. in Salt Lake County, Utah. The bridge carries I-15 SB COL-DIST. over 1300 South Street with 4 traffic lanes, handling approximately 245K vehicles per day. Built in 2001, the structure spans 55.8 meters.

The bridge received a Condition Grade of B (70/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 7/9 (good), and substructure 6/9 (fair).

This bridge is owned and maintained by State Highway Agency.

Location Map

500 West 1300 So.ST. Slc., Salt Lake County, Utah

40.741975, -111.904522

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Frequently Asked Questions

I-15 SB COL-DIST. has a Condition Score of 70/100 (Grade B). Its deck is rated 6/9, superstructure 7/9, and substructure 6/9 on the NBI scale. The bridge is not classified as structurally deficient.

I-15 SB COL-DIST. was built in 2001, making it 25 years old. The average bridge age in the United States is 48 years.

I-15 SB COL-DIST. carries approximately 245K vehicles per day (average daily traffic). The bridge has 4 traffic lanes. It is 55.8 meters long and located on I-15 SB COL-DIST. in 500 West 1300 So.ST. Slc., Salt Lake County, Utah.

No, I-15 SB COL-DIST. 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 SB COL-DIST. is located 500 West 1300 So.ST. Slc. in Salt Lake County, Utah. The bridge carries I-15 SB COL-DIST. over 1300 South Street. Its coordinates are 40.741975, -111.904522. It is maintained by State Highway Agency.

I-15 SB COL-DIST. carries I-15 SB COL-DIST. over 1300 South Street. The bridge is 55.8 meters long and was built in 2001.

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.

Source: FHWA National Bridge Inventory, 2026.