Structure 180570009202338 · Dallas County, TX

IH 45 over Belt Line RD

Carries IH 45 over Belt Line RD, 6.05 Mi S Of IH 20.

Overall conditionFair

Set by its lowest-rated component: Substructure at 6 of 9.

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT240 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

240 ft end to end, longest span 80 ft: about 3 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.

Built199927 years old
Length240.2 ft73.2 m
Daily traffic67,403counted 2023
Last inspectedFebruary 2024every 24 months

Location

StateTexas
CountyDallas
Location6.05 Mi S Of IH 20
CarriesIH 45
CrossesBelt Line RD
Coordinates32.59135, -96.67919

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length240.2 ft (73.2 m)
Max Span80.1 ft (24.4 m)
Deck Width122.0 ft (37.2 m)
Deck Area2723.0 sq m
Main Spans3
Year Built1999

Traffic

Avg Daily Traffic67,403 (2023)
Truck Traffic23%
Lanes On Bridge6
Lanes Under Bridge4

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 Number180570009202338

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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