Structure 121020038913109 · Harris County, TX

SH 146 over W Texas AVE

Carries SH 146 over W Texas AVE, 0.50 Mi SW Of Spur 330.

Overall conditionFair

Set by its lowest-rated component: Deck and Substructure at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT320 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 6/9 · sets the rating

320 ft end to end, longest span 80 ft: about 4 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 or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built199630 years old
Length319.9 ft97.5 m
Daily traffic66,848counted 2020
Last inspectedSeptember 2022every 48 months

Location

StateTexas
CountyHarris
Location0.50 Mi SW Of Spur 330
CarriesSH 146
CrossesW Texas AVE
Coordinates29.74077, -94.99068

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length319.9 ft (97.5 m)
Max Span80.1 ft (24.4 m)
Deck Width142.7 ft (43.5 m)
Deck Area4241.2 sq m
Main Spans4
Year Built1996

Traffic

Avg Daily Traffic66,848 (2020)
Truck Traffic8%
Lanes On Bridge8
Lanes Under Bridge8

Inspection & Ownership

Last InspectionSeptember 2022
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number121020038913109

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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