Structure 180570296402575 · Dallas County, TX

635ebto190nb Conn over IH 635 & Pgbt

Carries 635ebto190nb Conn over IH 635 & Pgbt, IH 635 @ SH 190.

Overall conditionGood

Set by its lowest-rated component: Deck and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT2,750 FT OVERALL500 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 7/9 · sets the rating

2,750 ft end to end, longest span 226 ft: about 7.6 football fields. Lengths and the semi-truck on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built200620 years old
Length2750.3 ft838.3 m
Daily traffic6,696counted 2022
Last inspectedMay 2024every 24 months

Location

StateTexas
CountyDallas
LocationIH 635 @ SH 190
Carries635ebto190nb Conn
CrossesIH 635 & Pgbt
Coordinates32.91251, -96.94831

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length2750.3 ft (838.3 m)
Max Span226.0 ft (68.9 m)
Deck Width27.9 ft (8.5 m)
Deck Area7125.6 sq m
Main Spans4
Year Built2006

Traffic

Avg Daily Traffic6,696 (2022)
Lanes On Bridge1
Lanes Under Bridge26

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 24 months
OwnerLocal Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number180570296402575

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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