Structure 180570000911372 · Dallas County, TX

ST Francis AVE SB over IH 30

Carries ST Francis AVE SB over IH 30, 0.6 Mi W Of Lp 12.

Overall conditionPoor

Set by its lowest-rated component: Deck at 4 of 9.

How ratings work
Decksets the rating4/9 · Poor
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 4/9 · sets the ratingSuperstructure 6/9Substructure 6/9

323 ft end to end, longest span 70 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.

Built195967 years old
Length323.2 ft98.5 m
Daily traffic2,597counted 2019
Last inspectedMay 2024every 12 months

Location

StateTexas
CountyDallas
Location0.6 Mi W Of Lp 12
CarriesST Francis AVE SB
CrossesIH 30
Coordinates32.79607, -96.69221

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length323.2 ft (98.5 m)
Max Span69.9 ft (21.3 m)
Deck Width29.2 ft (8.9 m)
Deck Area876.6 sq m
Main Spans4
Year Built1959

Traffic

Avg Daily Traffic2,597 (2019)
Truck Traffic3%
Lanes On Bridge2
Lanes Under Bridge15

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour CriticalNot applicable
Structure Number180570000911372

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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