Structure 121020027107578 · Harris County, TX

Ih10 WB - Ih610 SB over IH 10

Carries Ih10 WB - Ih610 SB over IH 10, 0.00 Mi E Of IH 610.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,681 FT OVERALL250 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 7/9

1,681 ft end to end, longest span 250 ft: about 4.7 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 box-beam bridge.

Built200521 years old
Length1681.1 ft512.4 m
Daily traffic18,500counted 2018
Last inspectedAugust 2024every 24 months

Location

StateTexas
CountyHarris
Location0.00 Mi E Of IH 610
CarriesIh10 WB - Ih610 SB
CrossesIH 10
Coordinates29.77992, -95.45110

Physical Characteristics

MaterialSteel Continuous
DesignBox Beam - Multiple
Total Length1681.1 ft (512.4 m)
Max Span250.0 ft (76.2 m)
Deck Width38.4 ft (11.7 m)
Deck Area5995.1 sq m
Main Spans7
Year Built2005

Traffic

Avg Daily Traffic18,500 (2018)
Truck Traffic3%
Lanes On Bridge2
Lanes Under Bridge17

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number121020027107578

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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