Structure 121020050801197 · Harris County, TX

Spur 330 WB over IH 10

Carries Spur 330 WB over IH 10, 0.50 Mi E Of Crosby/lynch.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT350 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

350 ft end to end, longest span 83 ft: about 5 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.

Built197155 years old
Length350.1 ft106.7 m
Daily traffic34,311counted 2023
Last inspectedOctober 2024every 24 months

Location

StateTexas
CountyHarris
Location0.50 Mi E Of Crosby/lynch
CarriesSpur 330 WB
CrossesIH 10
Coordinates29.79098, -95.04946

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length350.1 ft (106.7 m)
Max Span83.0 ft (25.3 m)
Deck Width41.7 ft (12.7 m)
Deck Area1355.1 sq m
Main Spans4
Year Built1971

Traffic

Avg Daily Traffic34,311 (2023)
Truck Traffic15%
Lanes On Bridge2
Lanes Under Bridge7

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour CriticalNot applicable
Structure Number121020050801197

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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