Structure 180570009201422 · Dallas County, TX

SH 310 over Uprr

Carries SH 310 over Uprr, 0.6 Mi S Of US 175.

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 FT1,899 FT OVERALL250 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 7/9 · sets the rating

1,899 ft end to end, longest span 114 ft: about 5.3 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.

Built20233 years old
Length1899.0 ft578.8 m
Daily traffic7,382counted 2022
Last inspectedFebruary 2024every 24 months

Location

StateTexas
CountyDallas
Location0.6 Mi S Of US 175
CarriesSH 310
CrossesUprr
Coordinates32.73559, -96.75777

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length1899.0 ft (578.8 m)
Max Span113.8 ft (34.7 m)
Deck Width80.1 ft (24.4 m)
Deck Area14122.7 sq m
Main Spans15
Year Built2023

Traffic

Avg Daily Traffic7,382 (2022)
Truck Traffic10%
Lanes On Bridge4
Lanes Under Bridge8

Inspection & Ownership

Last InspectionFebruary 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number180570009201422

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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