Structure 180570237407452 · Dallas County, TX

IH 635 Ramp W-lm over IH 635

Carries IH 635 Ramp W-lm over IH 635, 2.5 Mi W Of IH 35e.

Overall conditionGood

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

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

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT2,592 FT OVERALL500 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

2,592 ft end to end, longest span 167 ft: about 7.2 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.

Built200125 years old
Length2591.9 ft790 m
Daily traffic13,311counted 2019
Last inspectedOctober 2023every 24 months

Location

StateTexas
CountyDallas
Location2.5 Mi W Of IH 35e
CarriesIH 635 Ramp W-lm
CrossesIH 635
Coordinates32.91211, -96.93986

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length2591.9 ft (790 m)
Max Span167.0 ft (50.9 m)
Deck Width38.1 ft (11.6 m)
Deck Area9,164 sq m
Main Spans3
Year Built2001

Traffic

Avg Daily Traffic13,311 (2019)
Lanes On Bridge2
Lanes Under Bridge19

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number180570237407452

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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