Structure 180570000911461 · Dallas County, TX

Pgbt (sh190) Dc04 over IH 30

Carries Pgbt (sh190) Dc04 over IH 30, IH 30 / Pgbt Interchange.

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 FT3,326 FT OVERALL500 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

3,326 ft end to end, longest span 255 ft: about 9.2 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 box-beam bridge.

Built201214 years old
Length3326.1 ft1013.8 m
Daily traffic—reported figure implausible
Last inspectedApril 2024every 24 months

Location

StateTexas
CountyDallas
LocationIH 30 / Pgbt Interchange
CarriesPgbt (sh190) Dc04
CrossesIH 30
Coordinates32.85417, -96.55953

Physical Characteristics

MaterialSteel Continuous
DesignBox Beam - Multiple
Total Length3326.1 ft (1013.8 m)
Max Span254.9 ft (77.7 m)
Deck Width27.9 ft (8.5 m)
Deck Area8617.3 sq m
Main Spans7
Year Built2012

Traffic

Avg Daily Traffic148,088 (2022)
That is about 148,088 vehicles per lane per day — beyond what any U.S. road carries (the busiest freeways run about 25,000–30,000). It is almost certainly a data-entry error in the National Bridge Inventory, so we leave this bridge out of traffic rankings.
Truck Traffic15%
Lanes On Bridge1
Lanes Under Bridge13

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerLocal Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number180570000911461

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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