Structure 1805709D0470009 · Dallas County, TX

Dallas No Tollway over Inwood Road NB

Carries Dallas No Tollway over Inwood Road NB, 0.1 Mi S Of Harvest Hill.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT192 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

192 ft end to end, longest span 76 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.

Built1966rebuilt 1983
Length191.9 ft58.5 m
Daily traffic88,214counted 2020
Last inspectedFebruary 2023every 24 months

Location

StateTexas
CountyDallas
Location0.1 Mi S Of Harvest Hill
CarriesDallas No Tollway
CrossesInwood Road NB
Coordinates32.91936, -96.81805

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length191.9 ft (58.5 m)
Max Span76.1 ft (23.2 m)
Deck Width103.3 ft (31.5 m)
Deck Area1842.8 sq m
Main Spans3
Year Built1966 (reconstructed 1983)

Traffic

Avg Daily Traffic88,214 (2020)
Truck Traffic4%
Lanes On Bridge6
Lanes Under Bridge2

Inspection & Ownership

Last InspectionFebruary 2023
Inspection FrequencyEvery 24 months
OwnerLocal Toll Authority
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour CriticalNot applicable
Structure Number1805709D0470009

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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