Structure 120200E00468001 · Brazoria County, TX

Karankawa RD over Brushy Bayou

Carries Karankawa RD over Brushy Bayou, 0.01 Mi S Of CR 341.

Overall conditionFair

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

How ratings work
Culvertsets the rating6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT29 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 6/9

A culvert 29 ft across with 3 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.

Built200521 years old
Length28.9 ft8.8 m
Daily traffic110counted 2017
Last inspectedDecember 2023every 24 months

Location

StateTexas
CountyBrazoria
Location0.01 Mi S Of CR 341
CarriesKarankawa RD
CrossesBrushy Bayou
Coordinates29.19249, -95.43764

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length28.9 ft (8.8 m)
Max Span7.9 ft (2.4 m)
Deck Area51.0 sq m
Main Spans3
Year Built2005

Traffic

Avg Daily Traffic110 (2017)
Lanes On Bridge2

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical4 — Foundations need monitoring
Structure Number120200E00468001

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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