Structure 180570035306463 · Dallas County, TX

SH 161 Nbml over SH 114

Carries SH 161 Nbml over SH 114, 2.00 Mi SW Of IH 635.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT837 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

837 ft end to end, longest span 115 ft: about 2.3 football fields. 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.

Built200125 years old
Length836.9 ft255.1 m
Daily traffic10,000counted 2011
Last inspectedMarch 2022every 48 months

Location

StateTexas
CountyDallas
Location2.00 Mi SW Of IH 635
CarriesSH 161 Nbml
CrossesSH 114
Coordinates32.89628, -96.97107

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length836.9 ft (255.1 m)
Max Span115.2 ft (35.1 m)
Deck Width69.9 ft (21.3 m)
Deck Area5433.6 sq m
Main Spans9
Year Built2001

Traffic

Avg Daily Traffic10,000 (2011)
Truck Traffic5%
Lanes On Bridge3
Lanes Under Bridge16

Inspection & Ownership

Last InspectionMarch 2022
Inspection FrequencyEvery 48 months
OwnerLocal Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number180570035306463

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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