Structure 180570000911407 · Dallas County, TX

IH 30 EB Ramp B over Third ST

Carries IH 30 EB Ramp B over Third ST, 0.6 Mi E Of IH 45.

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 FT336 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 7/9 · sets the rating

336 ft end to end, longest span 85 ft: about 5 semi-trucks nose to tail. 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.

Built199432 years old
Length336.0 ft102.4 m
Daily traffic11,516counted 2023
Last inspectedApril 2024every 48 months

Location

StateTexas
CountyDallas
Location0.6 Mi E Of IH 45
CarriesIH 30 EB Ramp B
CrossesThird ST
Coordinates32.78086, -96.77114

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length336.0 ft (102.4 m)
Max Span85.0 ft (25.9 m)
Deck Width28.9 ft (8.8 m)
Deck Area901.1 sq m
Main Spans4
Year Built1994

Traffic

Avg Daily Traffic11,516 (2023)
Truck Traffic8%
Lanes On Bridge1
Lanes Under Bridge2

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number180570000911407

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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