Structure 180570296401497 · Dallas County, TX

Sh161sb To Ih20eb over IH 20 SH 161 Fish Crk

Carries Sh161sb To Ih20eb over IH 20 SH 161 Fish Crk, Ih20 Sh161 Interchange.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT3,134 FT OVERALL500 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

3,134 ft end to end, longest span 248 ft: about 8.7 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.

Built201214 years old
Length3133.9 ft955.2 m
Daily traffic15,000counted 2015
Last inspectedMay 2024every 24 months

Location

StateTexas
CountyDallas
LocationIh20 Sh161 Interchange
CarriesSh161sb To Ih20eb
CrossesIH 20 SH 161 Fish Crk
Coordinates32.68207, -97.02442

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length3133.9 ft (955.2 m)
Max Span248.0 ft (75.6 m)
Deck Width38.1 ft (11.6 m)
Deck Area11080.3 sq m
Main Spans2
Year Built2012

Traffic

Avg Daily Traffic15,000 (2015)
Truck Traffic1%
Lanes On Bridge2
Lanes Under Bridge25

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 24 months
OwnerLocal Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number180570296401497

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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