Structure 180570296401067 · Dallas County, TX

SH 161 Sbfr over Trib Of Johnson CR

Carries SH 161 Sbfr over Trib Of Johnson CR, 0.70 Mi N Of IH 30.

Overall conditionFair

Set by its lowest-rated component: Culvert at 5 of 9.

How ratings work
Culvertsets the rating5/9 · Fair
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT76 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 5/9

A culvert 76 ft across with 5 openings. Lengths and the car 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, so those are drawn as typical for a culvert.

Built200818 years old
Length76.1 ft23.2 m
Daily traffic2,200counted 2016
Last inspectedApril 2024every 12 months

Location

StateTexas
CountyDallas
Location0.70 Mi N Of IH 30
CarriesSH 161 Sbfr
CrossesTrib Of Johnson CR
Coordinates32.76935, -97.02834

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length76.1 ft (23.2 m)
Max Span9.8 ft (3 m)
Deck Width59.1 ft (18 m)
Deck Area417.6 sq m
Main Spans5
Year Built2008

Traffic

Avg Daily Traffic2,200 (2016)
Truck Traffic5%
Lanes On Bridge3

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 12 months
OwnerLocal Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour Critical3 — Scour critical
Structure Number180570296401067

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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