Structure 121020027107636 · Harris County, TX

Ih10 Hov/toll Ramp over Metro Park And Ride Row

Carries Ih10 Hov/toll Ramp over Metro Park And Ride Row, 0.50 Mi E Of SH 6.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT319 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 8/9

319 ft end to end, longest span 113 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.

Built200719 years old
Length318.9 ft97.2 m
Daily traffic—reported figure implausible
Last inspectedOctober 2024every 24 months

Location

StateTexas
CountyHarris
Location0.50 Mi E Of SH 6
CarriesIh10 Hov/toll Ramp
CrossesMetro Park And Ride Row
Coordinates29.78498, -95.63539

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length318.9 ft (97.2 m)
Max Span112.9 ft (34.4 m)
Deck Width89.9 ft (27.4 m)
Deck Area2663.3 sq m
Main Spans3
Year Built2007

Traffic

Avg Daily Traffic259,457 (2023)
That is about 51,891 vehicles per lane per day — beyond what any U.S. road carries (the busiest freeways run about 25,000–30,000). It is almost certainly a data-entry error in the National Bridge Inventory, so we leave this bridge out of traffic rankings.
Truck Traffic9%
Lanes On Bridge5

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerLocal Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number121020027107636

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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