Structure 121020038905364 · Harris County, TX

Sh146 Express over Fm518; Fm2094; Clear Crk

Carries Sh146 Express over Fm518; Fm2094; Clear Crk, 0.60 Mi N Of SH 96.

Overall conditionGood

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

How ratings work
Deck8/9 · Very Good
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
7,030 FT OVERALL1,000 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 7/9 · sets the rating

7,030 ft end to end, longest span 148 ft: about 20 football fields, or 1.3 miles. Lengths are drawn to scale; at this length a semi-truck would be a speck. 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.

Built20242 years old
Length7029.9 ft2142.7 m
Daily traffic36,400counted 2018
Last inspectedNovember 2024every 24 months

Location

StateTexas
CountyHarris
Location0.60 Mi N Of SH 96
CarriesSh146 Express
CrossesFm518; Fm2094; Clear Crk
Coordinates29.55173, -95.02399

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length7029.9 ft (2142.7 m)
Max Span148.0 ft (45.1 m)
Deck Width80.4 ft (24.5 m)
Deck Area52496.2 sq m
Main Spans35
Year Built2024

Traffic

Avg Daily Traffic36,400 (2018)
Truck Traffic8%
Lanes On Bridge4
Lanes Under Bridge17

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical6 — Scour calculated, stable
Structure Number121020038905364

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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