Structure 180570009214406 · Dallas County, TX

IH 45 SB Conn over IH 45

Carries IH 45 SB Conn over IH 45, 2.0 Mi S Of Ih30.

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
4,658 FT OVERALL1,000 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 7/9 · sets the rating

4,658 ft end to end, longest span 261 ft: about 13 football fields. Lengths are drawn to scale; at this length a semi-truck would be a speck. 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.

Built20206 years old
Length4657.8 ft1419.7 m
Daily traffic72,590counted 2022
Last inspectedApril 2024every 24 months

Location

StateTexas
CountyDallas
Location2.0 Mi S Of Ih30
CarriesIH 45 SB Conn
CrossesIH 45
Coordinates32.74510, -96.76466

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length4657.8 ft (1419.7 m)
Max Span261.5 ft (79.7 m)
Deck Width38.1 ft (11.6 m)
Deck Area16468.5 sq m
Main Spans4
Year Built2020

Traffic

Avg Daily Traffic72,590 (2022)
Truck Traffic6%
Lanes On Bridge2
Lanes Under Bridge7

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number180570009214406

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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