Structure 121020005009465 · Harris County, TX

US 290 EB Coll over Senate AVE

Carries US 290 EB Coll over Senate AVE, 0.5 Mi W Of Bwy 8.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructure8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT632 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 7/9 · sets the ratingSubstructure 8/9

632 ft end to end, longest span 115 ft: about 1.8 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.

Built201610 years old
Length631.9 ft192.6 m
Daily traffic15,000counted 2013
Last inspectedOctober 2024every 24 months

Location

StateTexas
CountyHarris
Location0.5 Mi W Of Bwy 8
CarriesUS 290 EB Coll
CrossesSenate AVE
Coordinates29.87683, -95.56377

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length631.9 ft (192.6 m)
Max Span115.2 ft (35.1 m)
Deck Width40.4 ft (12.3 m)
Deck Area2369.0 sq m
Main Spans6
Year Built2016

Traffic

Avg Daily Traffic15,000 (2013)
Truck Traffic5%
Lanes On Bridge2
Lanes Under Bridge8

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number121020005009465

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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