Structure 150150B28425003 · Bexar County, TX

Quintana RD over Up Rr & On-ramp

Carries Quintana RD over Up Rr & On-ramp, 0.08 Mi S Of Sp 371.

Overall conditionFair

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

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

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,380 FT OVERALL250 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 6/9 · sets the rating

1,380 ft end to end, longest span 114 ft: about 3.8 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.

Built197551 years old
Length1379.9 ft420.6 m
Daily traffic15,414counted 2019
Last inspectedJuly 2023every 48 months

Location

StateTexas
CountyBexar
Location0.08 Mi S Of Sp 371
CarriesQuintana RD
CrossesUp Rr & On-ramp
Coordinates29.38543, -98.55036

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length1379.9 ft (420.6 m)
Max Span113.8 ft (34.7 m)
Deck Width72.8 ft (22.2 m)
Deck Area9337.3 sq m
Main Spans2
Year Built1975

Traffic

Avg Daily Traffic15,414 (2019)
Lanes On Bridge4
Lanes Under Bridge1

Inspection & Ownership

Last InspectionJuly 2023
Inspection FrequencyEvery 48 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour CriticalNot applicable
Structure Number150150B28425003

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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