Structure 121020TOL030011 · Harris County, TX

Westpark Tlwy Ramp over Pedestrian Only

Carries Westpark Tlwy Ramp over Pedestrian Only, 0.44 Mi W Of US 59.

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
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT595 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 7/9 · sets the rating

595 ft end to end, longest span 101 ft: about 1.7 football fields. 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.

Built200422 years old
Length595.1 ft181.4 m
Daily traffic10,000counted 2015
Last inspectedDecember 2023every 24 months

Location

StateTexas
CountyHarris
Location0.44 Mi W Of US 59
CarriesWestpark Tlwy Ramp
CrossesPedestrian Only
Coordinates29.72300, -95.49743

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length595.1 ft (181.4 m)
Max Span101.0 ft (30.8 m)
Deck Width26.9 ft (8.2 m)
Deck Area1487.5 sq m
Main Spans6
Year Built2004

Traffic

Avg Daily Traffic10,000 (2015)
Truck Traffic5%
Lanes On Bridge1

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerLocal Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number121020TOL030011

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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