Structure 120800019201052 · Fort Bend County, TX

SH 6 over Drainage Ditch

Carries SH 6 over Drainage Ditch, 0.9 Mi SE Of US 90a.

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
SEMI-TRUCK · 72 FT164 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 164 ft across with 13 openings: about 2 semi-trucks nose to tail. 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, so those are drawn as typical for a culvert.

Built198640 years old
Length164.0 ft50 m
Daily traffic48,424counted 2020
Last inspectedOctober 2024every 24 months

Location

StateTexas
CountyFort Bend
Location0.9 Mi SE Of US 90a
CarriesSH 6
CrossesDrainage Ditch
Coordinates29.60638, -95.63900

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length164.0 ft (50 m)
Max Span8.9 ft (2.7 m)
Deck Area1,570 sq m
Main Spans13
Year Built1986

Traffic

Avg Daily Traffic48,424 (2020)
Truck Traffic4%
Lanes On Bridge7

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number120800019201052

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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