Structure 121020050801464 · Harris County, TX

IH 10 WB over Holland AVE

Carries IH 10 WB over Holland AVE, 1.7 Mi E Of IH 610.

Overall conditionFair

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

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

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT190 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 6/9 · sets the rating

190 ft end to end, longest span 48 ft: about 3 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.

Built1961rebuilt 1985
Length190.0 ft57.9 m
Daily traffic71,710counted 2019
Last inspectedOctober 2022every 48 months

Location

StateTexas
CountyHarris
Location1.7 Mi E Of IH 610
CarriesIH 10 WB
CrossesHolland AVE
Coordinates29.77323, -95.23289

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length190.0 ft (57.9 m)
Max Span47.9 ft (14.6 m)
Deck Width74.1 ft (22.6 m)
Deck Area1308.5 sq m
Main Spans4
Year Built1961 (reconstructed 1985)

Traffic

Avg Daily Traffic71,710 (2019)
Truck Traffic12%
Lanes On Bridge4
Lanes Under Bridge8

Inspection & Ownership

Last InspectionOctober 2022
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour CriticalNot applicable
Structure Number121020050801464

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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