Structure 120850160701017 · Galveston County, TX

FM 1764 EB over Up Railroad

Carries FM 1764 EB over Up Railroad, 0.30 Mi W Of SH 146.

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 FT440 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

440 ft end to end, longest span 85 ft: about 6 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
Length440.0 ft134.1 m
Daily traffic18,204counted 2020
Last inspectedSeptember 2022every 48 months

Location

StateTexas
CountyGalveston
Location0.30 Mi W Of SH 146
CarriesFM 1764 EB
CrossesUp Railroad
Coordinates29.39525, -94.95568

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length440.0 ft (134.1 m)
Max Span85.0 ft (25.9 m)
Deck Width60.0 ft (18.3 m)
Deck Area2454.0 sq m
Main Spans5
Year Built1971

Traffic

Avg Daily Traffic18,204 (2020)
Truck Traffic4%
Lanes On Bridge3

Inspection & Ownership

Last InspectionSeptember 2022
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour CriticalNot applicable
Structure Number120850160701017

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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