Structure 120850359501002 · Galveston County, TX

SH 275 (e Of 51st) over Up And Bnsf Rr

Carries SH 275 (e Of 51st) over Up And Bnsf Rr, 2.60 Mi E Of IH 45.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,835 FT OVERALL250 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

1,835 ft end to end, longest span 112 ft: about 5.1 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.

Built198541 years old
Length1835.0 ft559.3 m
Daily traffic2,931counted 2021
Last inspectedSeptember 2022every 48 months

Location

StateTexas
CountyGalveston
Location2.60 Mi E Of IH 45
CarriesSH 275 (e Of 51st)
CrossesUp And Bnsf Rr
Coordinates29.29878, -94.82360

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length1835.0 ft (559.3 m)
Max Span111.9 ft (34.1 m)
Deck Width70.2 ft (21.4 m)
Deck Area11969.0 sq m
Main Spans17
Year Built1985

Traffic

Avg Daily Traffic2,931 (2021)
Truck Traffic17%
Lanes On Bridge4

Inspection & Ownership

Last InspectionSeptember 2022
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number120850359501002

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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