Structure 180570004707044 · Dallas County, TX

IH 345 over Ross AVE

Carries IH 345 over Ross AVE, 1.25 Mi N Of IH 30.

Overall conditionFair

Set by its lowest-rated component: Deck at 5 of 9.

How ratings work
Decksets the rating5/9 · Fair
Superstructure6/9 · Satisfactory
Substructure6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT323 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 6/9Substructure 6/9

323 ft end to end, longest span 96 ft: about 4 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.

Built1949rebuilt 1973
Length323.2 ft98.5 m
Daily traffic180,381counted 2022
Last inspectedMay 2024every 24 months

Location

StateTexas
CountyDallas
Location1.25 Mi N Of IH 30
CarriesIH 345
CrossesRoss AVE
Coordinates32.79251, -96.79249

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length323.2 ft (98.5 m)
Max Span96.1 ft (29.3 m)
Deck Width105.6 ft (32.2 m)
Deck Area3171.7 sq m
Main Spans3
Year Built1949 (reconstructed 1973)

Traffic

Avg Daily Traffic180,381 (2022)
Truck Traffic6%
Lanes On Bridge6
Lanes Under Bridge8

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour CriticalNot applicable
Structure Number180570004707044

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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