Structure 150150052105057 · Bexar County, TX

IH 410 NB over Quintana RD & Up Rr

Carries IH 410 NB over Quintana RD & Up Rr, 1.4 Mi S Of FM 2536.

Overall conditionFair

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

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

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT349 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

349 ft end to end, longest span 81 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.

Built1961rebuilt 1990
Length349.1 ft106.4 m
Daily traffic23,369counted 2017
Last inspectedJuly 2024every 24 months

Location

StateTexas
CountyBexar
Location1.4 Mi S Of FM 2536
CarriesIH 410 NB
CrossesQuintana RD & Up Rr
Coordinates29.32017, -98.61437

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length349.1 ft (106.4 m)
Max Span81.0 ft (24.7 m)
Deck Width40.7 ft (12.4 m)
Deck Area1319.4 sq m
Main Spans4
Year Built1961 (reconstructed 1990)

Traffic

Avg Daily Traffic23,369 (2017)
Truck Traffic8%
Lanes On Bridge2
Lanes Under Bridge6

Inspection & Ownership

Last InspectionJuly 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour CriticalNot applicable
Structure Number150150052105057

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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