Structure 180570000911198 · Dallas County, TX

Motley Dr. NB over IH 30

Carries Motley Dr. NB over IH 30, 1.8 Mi. SW Of IH 635.

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 FT300 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

300 ft end to end, longest span 65 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.

Built196066 years old
Length299.9 ft91.4 m
Daily traffic13,258counted 2019
Last inspectedMarch 2022every 48 months

Location

StateTexas
CountyDallas
Location1.8 Mi. SW Of IH 635
CarriesMotley Dr. NB
CrossesIH 30
Coordinates32.80972, -96.65454

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length299.9 ft (91.4 m)
Max Span65.0 ft (19.8 m)
Deck Width32.5 ft (9.9 m)
Deck Area904.9 sq m
Main Spans4
Year Built1960

Traffic

Avg Daily Traffic13,258 (2019)
Lanes On Bridge2
Lanes Under Bridge10

Inspection & Ownership

Last InspectionMarch 2022
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour CriticalNot applicable
Structure Number180570000911198

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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