Structure 120800H00051294 · Fort Bend County, TX

Avondale DR over Auburn Heights Lake

Carries Avondale DR over Auburn Heights Lake, 0.16 Mi SW Of Briarwd DR.

Overall conditionGood

Set by its lowest-rated component: Culvert at 7 of 9.

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

Elevation

Side view, colored by inspection rating
CAR · 15 FT99 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 99 ft across with 10 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.

Built199234 years old
Length99.1 ft30.2 m
Daily traffic308counted 2021
Last inspectedDecember 2023every 24 months

Location

StateTexas
CountyFort Bend
Location0.16 Mi SW Of Briarwd DR
CarriesAvondale DR
CrossesAuburn Heights Lake
Coordinates29.55476, -95.61761

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length99.1 ft (30.2 m)
Max Span7.9 ft (2.4 m)
Deck Area247.6 sq m
Main Spans10
Year Built1992

Traffic

Avg Daily Traffic308 (2021)
Truck Traffic3%
Lanes On Bridge2

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number120800H00051294

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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