Structure 121020002713177 · Harris County, TX

SH 288 NB Conn D over US 59 & SH 288

Carries SH 288 NB Conn D over US 59 & SH 288, US 59 At SH 288.

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 FT1,040 FT OVERALL200 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

1,040 ft end to end, longest span 134 ft: about 2.9 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.

Built197947 years old
Length1040.0 ft317 m
Daily traffic52,616counted 2014
Last inspectedNovember 2024every 24 months

Location

StateTexas
CountyHarris
LocationUS 59 At SH 288
CarriesSH 288 NB Conn D
CrossesUS 59 & SH 288
Coordinates29.73350, -95.37070

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length1040.0 ft (317 m)
Max Span133.9 ft (40.8 m)
Deck Width43.6 ft (13.3 m)
Deck Area4216.1 sq m
Main Spans7
Year Built1979

Traffic

Avg Daily Traffic52,616 (2014)
Truck Traffic3%
Lanes On Bridge2
Lanes Under Bridge15

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number121020002713177

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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