BridgeSafety
Salt Lake County, UT · Structure #1C 861

I-15 NB COL-DIST

I-15 NB COL-DIST in I80-I15 Intchg.@ 2400 So., Salt Lake County, Utah received a condition grade of B (78/100). Built in 1999, the bridge carries 268K vehicles daily on I-15 NB COL-DIST over Rt.Pond .& Uta Tracks.

I-15 NB COL-DIST carries a B on the BridgeSafety Condition Score with 78/100. 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 1999, making it 27 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 NB COL-DIST carries an average daily traffic count of 268,370 vehicles, with 4 lane(s) crossing Rt.Pond .& Uta Tracks. The owning agency is State Highway Agency; bridge inspection records flow into the federal NBI database annually.

B
78/100
78
Condition Score
268K
Daily Traffic
1999
Year Built
142.8m
Length

Component Ratings

DeckGood
7/9

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

SuperstructureGood
7/9

Beams, girders, and trusses that support the deck

SubstructureGood
7/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
I-15 NB COL-DIST
Crosses Over
Rt.Pond .& Uta Tracks
State
Utah
County
Salt Lake County
Location
I80-I15 Intchg.@ 2400 So.
Year Built
1999
Age
27 years
Daily Traffic
268,370
Lanes
4
Length
142.8 meters
Owner
State Highway Agency
Structure Number
1C 861

About This Bridge

I-15 NB COL-DIST is a 27-year-old bridge located I80-I15 Intchg.@ 2400 So. in Salt Lake County, Utah. The bridge carries I-15 NB COL-DIST over Rt.Pond .& Uta Tracks with 4 traffic lanes, handling approximately 268K vehicles per day. Built in 1999, the structure spans 142.8 meters.

The bridge received a Condition Grade of B (78/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 7/9 (good), and substructure 7/9 (good).

This bridge is owned and maintained by State Highway Agency.

Location Map

I80-I15 Intchg.@ 2400 So., Salt Lake County, Utah

40.722361, -111.903333

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Frequently Asked Questions

I-15 NB COL-DIST has a Condition Score of 78/100 (Grade B). Its deck is rated 7/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.

I-15 NB COL-DIST was built in 1999, making it 27 years old. The average bridge age in the United States is 48 years.

I-15 NB COL-DIST carries approximately 268K vehicles per day (average daily traffic). The bridge has 4 traffic lanes. It is 142.8 meters long and located on I-15 NB COL-DIST in I80-I15 Intchg.@ 2400 So., Salt Lake County, Utah.

No, I-15 NB 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 NB COL-DIST is located I80-I15 Intchg.@ 2400 So. in Salt Lake County, Utah. The bridge carries I-15 NB COL-DIST over Rt.Pond .& Uta Tracks. Its coordinates are 40.722361, -111.903333. It is maintained by State Highway Agency.

I-15 NB COL-DIST carries I-15 NB COL-DIST over Rt.Pond .& Uta Tracks. The bridge is 142.8 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.

Source: FHWA National Bridge Inventory, 2026.