BridgeSafety
Dallas County, TX · Structure #180570019603205

IH 35E NB Conn

IH 35E NB Conn in 1.0 MI N Of Sp 366, Dallas County, Texas received a condition grade of C (55/100). Built in 1967, the bridge carries 147K vehicles daily on IH 35E NB Conn over Dart & Dnt. It is classified as structurally deficient.

C
55/100
55
Condition Score
147K
Daily Traffic
1967
Year Built
326.1m
Length

Component Ratings

DeckPoor
4/9

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

SuperstructureFair
5/9

Beams, girders, and trusses that support the deck

SubstructureGood
7/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
IH 35E NB Conn
Crosses Over
Dart & Dnt
State
Texas
County
Dallas County
Location
1.0 MI N Of Sp 366
Year Built
1967
Age
59 years
Daily Traffic
146,500
Lanes
1
Length
326.1 meters
Owner
Local Toll Authority
Structure Number
180570019603205

About This Bridge

IH 35E NB Conn is a 59-year-old bridge located 1.0 MI N Of Sp 366 in Dallas County, Texas. The bridge carries IH 35E NB Conn over Dart & Dnt with 1 traffic lane, handling approximately 147K vehicles per day. Built in 1967, the structure spans 326.1 meters.

The bridge received a Condition Grade of C (55/100) based on Federal Highway Administration inspection data. Its deck is rated 4/9 (poor), superstructure 5/9 (fair), and substructure 7/9 (good). The bridge is classified as structurally deficient, meaning at least one major component is rated 4 or below — this signals a need for repair or replacement but does not necessarily indicate an immediate safety hazard.

This bridge is owned and maintained by Local Toll Authority.

Location Map

1.0 MI N Of Sp 366, Dallas County, Texas

32.797644, -96.814978

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Frequently Asked Questions

IH 35E NB Conn has a Condition Score of 55/100 (Grade C). Its deck is rated 4/9, superstructure 5/9, and substructure 7/9 on the NBI scale. The bridge is classified as structurally deficient.

IH 35E NB Conn was built in 1967, making it 59 years old. The average bridge age in the United States is 48 years.

IH 35E NB Conn carries approximately 147K vehicles per day (average daily traffic). The bridge has 1 traffic lane. It is 326.1 meters long and located on IH 35E NB Conn in 1.0 MI N Of Sp 366, Dallas County, Texas.

Yes, IH 35E NB Conn is classified as structurally deficient because at least one of its primary components (deck, superstructure, or substructure) is rated 4 or below on the 0-9 NBI scale. This does not necessarily mean it is unsafe, but it requires significant repair or replacement.

IH 35E NB Conn is located 1.0 MI N Of Sp 366 in Dallas County, Texas. The bridge carries IH 35E NB Conn over Dart & Dnt. Its coordinates are 32.797644, -96.814978. It is maintained by Local Toll Authority.

IH 35E NB Conn carries IH 35E NB Conn over Dart & Dnt. The bridge is 326.1 meters long and was built in 1967.

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.