Structure 121020B50025001 · Harris County, TX

Parker RD over Hardy Toll RD & Mprr

Carries Parker RD over Hardy Toll RD & Mprr, 3.1 Mi N Of IH 610.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT630 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

630 ft end to end, longest span 90 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.

Built1987rebuilt 2016
Length629.9 ft192 m
Daily traffic7,600counted 2015
Last inspectedNovember 2023every 24 months

Location

StateTexas
CountyHarris
Location3.1 Mi N Of IH 610
CarriesParker RD
CrossesHardy Toll RD & Mprr
Coordinates29.85923, -95.36141

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length629.9 ft (192 m)
Max Span89.9 ft (27.4 m)
Deck Width73.8 ft (22.5 m)
Deck Area4,320 sq m
Main Spans7
Year Built1987 (reconstructed 2016)

Traffic

Avg Daily Traffic7,600 (2015)
Lanes On Bridge4
Lanes Under Bridge10

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number121020B50025001

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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