Structure 121020027107599 · Harris County, TX

IH 10 EB over Bwy 8 Fr

Carries IH 10 EB over Bwy 8 Fr, 4.9 Mi E Of SH 6.

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 FT492 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

492 ft end to end, longest span 75 ft: about 7 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 box-beam bridge.

Built200719 years old
Length492.1 ft150 m
Daily traffic153,286counted 2019
Last inspectedNovember 2022every 48 months

Location

StateTexas
CountyHarris
Location4.9 Mi E Of SH 6
CarriesIH 10 EB
CrossesBwy 8 Fr
Coordinates29.78432, -95.56308

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length492.1 ft (150 m)
Max Span75.1 ft (22.9 m)
Deck Width127.0 ft (38.7 m)
Deck Area5,805 sq m
Main Spans7
Year Built2007

Traffic

Avg Daily Traffic153,286 (2019)
Truck Traffic10%
Lanes On Bridge7
Lanes Under Bridge8

Inspection & Ownership

Last InspectionNovember 2022
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number121020027107599

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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