BridgeSafety
Dallas County, TX · Structure #180570237407427

IH 635 WB OFF RAMP

IH 635 WB OFF RAMP in 2.3 MI W Of Ih 35e, Dallas County, Texas received a condition grade of B (74/100). Built in 1992, the bridge carries 176K vehicles daily on IH 635 WB OFF RAMP over Ih 635 Ebfr U-Turn.

IH 635 WB OFF RAMP carries a B on the BridgeSafety Condition Score with 74/100. 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 1992, making it 34 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. IH 635 WB OFF RAMP carries an average daily traffic count of 175,521 vehicles, with 1 lane(s) crossing Ih 635 Ebfr U-Turn. The owning agency is State Highway Agency; bridge inspection records flow into the federal NBI database annually.

B
74/100
74
Condition Score
176K
Daily Traffic
1992
Year Built
400.8m
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

SubstructureFair
6/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
IH 635 WB OFF RAMP
Crosses Over
Ih 635 Ebfr U-Turn
State
Texas
County
Dallas County
Location
2.3 MI W Of Ih 35e
Year Built
1992
Age
34 years
Daily Traffic
175,521
Lanes
1
Length
400.8 meters
Owner
State Highway Agency
Structure Number
180570237407427

About This Bridge

IH 635 WB OFF RAMP is a 34-year-old bridge located 2.3 MI W Of Ih 35e in Dallas County, Texas. The bridge carries IH 635 WB OFF RAMP over Ih 635 Ebfr U-Turn with 1 traffic lane, handling approximately 176K vehicles per day. Built in 1992, the structure spans 400.8 meters.

The bridge received a Condition Grade of B (74/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 7/9 (good), and substructure 6/9 (fair).

This bridge is owned and maintained by State Highway Agency.

Location Map

2.3 MI W Of Ih 35e, Dallas County, Texas

32.910589, -96.934564

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Frequently Asked Questions

IH 635 WB OFF RAMP has a Condition Score of 74/100 (Grade B). Its deck is rated 7/9, superstructure 7/9, and substructure 6/9 on the NBI scale. The bridge is not classified as structurally deficient.

IH 635 WB OFF RAMP was built in 1992, making it 34 years old. The average bridge age in the United States is 48 years.

IH 635 WB OFF RAMP carries approximately 176K vehicles per day (average daily traffic). The bridge has 1 traffic lane. It is 400.8 meters long and located on IH 635 WB OFF RAMP in 2.3 MI W Of Ih 35e, Dallas County, Texas.

No, IH 635 WB OFF RAMP is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.

IH 635 WB OFF RAMP is located 2.3 MI W Of Ih 35e in Dallas County, Texas. The bridge carries IH 635 WB OFF RAMP over Ih 635 Ebfr U-Turn. Its coordinates are 32.910589, -96.934564. It is maintained by State Highway Agency.

IH 635 WB OFF RAMP carries IH 635 WB OFF RAMP over Ih 635 Ebfr U-Turn. The bridge is 400.8 meters long and was built in 1992.

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.