Structure 121020325604501 · Harris County, TX

Sht WB To Sh288nbt over SH 288 Nbml/fr & Bw8wbfr

Carries Sht WB To Sh288nbt over SH 288 Nbml/fr & Bw8wbfr, 0.85 Mi W Of Cullen BLVD.

Overall conditionGood

Set by its lowest-rated component: Substructure at 7 of 9.

How ratings work
Deck8/9 · Very Good
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
6,723 FT OVERALL1,000 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 7/9 · sets the rating

6,723 ft end to end, longest span 140 ft: about 19 football fields, or 1.3 miles. Lengths are drawn to scale; at this length a semi-truck would be a speck. 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.

Built20206 years old
Length6723.1 ft2049.2 m
Daily traffic7,634counted 2015
Last inspectedDecember 2022every 48 months

Location

StateTexas
CountyHarris
Location0.85 Mi W Of Cullen BLVD
CarriesSht WB To Sh288nbt
CrossesSH 288 Nbml/fr & Bw8wbfr
Coordinates29.59861, -95.38490

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length6723.1 ft (2049.2 m)
Max Span140.1 ft (42.7 m)
Deck Width28.5 ft (8.7 m)
Deck Area17828.0 sq m
Main Spans46
Year Built2020

Traffic

Avg Daily Traffic7,634 (2015)
Truck Traffic5%
Lanes On Bridge1
Lanes Under Bridge15

Inspection & Ownership

Last InspectionDecember 2022
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number121020325604501

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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