Structure 180570009403366 · Dallas County, TX

Lp 12 Sbfr over SH 183 & Txepress Lanes

Carries Lp 12 Sbfr over SH 183 & Txepress Lanes, @ Lp12 & Sh183.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructure9/9 · Excellent
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,275 FT OVERALL250 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 9/9Substructure 7/9 · sets the rating

1,275 ft end to end, longest span 125 ft: about 3.5 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
Length1274.9 ft388.6 m
Daily traffic30,600counted 2022
Last inspectedJuly 2023every 48 months

Location

StateTexas
CountyDallas
Location@ Lp12 & Sh183
CarriesLp 12 Sbfr
CrossesSH 183 & Txepress Lanes
Coordinates32.83842, -96.91554

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length1274.9 ft (388.6 m)
Max Span125.0 ft (38.1 m)
Deck Width48.9 ft (14.9 m)
Deck Area5790.1 sq m
Main Spans6
Year Built2023

Traffic

Avg Daily Traffic30,600 (2022)
Truck Traffic10%
Lanes On Bridge3
Lanes Under Bridge10

Inspection & Ownership

Last InspectionJuly 2023
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number180570009403366

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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