Structure 150150B14975004 · Bexar County, TX

Guadalupe ST Ml over Alazan Creek & Uprr

Carries Guadalupe ST Ml over Alazan Creek & Uprr, 0.3 Mi W Of IH 35.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,445 FT OVERALL250 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 6/9 · sets the ratingSubstructure 7/9

1,445 ft end to end, longest span 74 ft: about 4.0 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.

Built196660 years old
Length1444.9 ft440.4 m
Daily traffic14,760counted 2011
Last inspectedAugust 2023every 24 months

Location

StateTexas
CountyBexar
Location0.3 Mi W Of IH 35
CarriesGuadalupe ST Ml
CrossesAlazan Creek & Uprr
Coordinates29.41792, -98.50974

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length1444.9 ft (440.4 m)
Max Span74.1 ft (22.6 m)
Deck Width51.5 ft (15.7 m)
Deck Area6914.3 sq m
Main Spans19
Year Built1966

Traffic

Avg Daily Traffic14,760 (2011)
Lanes On Bridge4
Lanes Under Bridge3

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical5 — Stable for scour
Structure Number150150B14975004

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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