Structure 150150001710317 · Bexar County, TX

IH 35 Ml over IH 35 Connectors

Carries IH 35 Ml over IH 35 Connectors, IH 35 & IH 37 Interchange.

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
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,219 FT OVERALL250 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 6/9 · sets the ratingSubstructure 7/9

1,219 ft end to end, longest span 94 ft: about 3.4 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.

Built1962rebuilt 1985
Length1219.2 ft371.6 m
Daily traffic144,783counted 2022
Last inspectedJune 2024every 24 months

Location

StateTexas
CountyBexar
LocationIH 35 & IH 37 Interchange
CarriesIH 35 Ml
CrossesIH 35 Connectors
Coordinates29.43846, -98.47522

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length1219.2 ft (371.6 m)
Max Span94.2 ft (28.7 m)
Deck Width93.5 ft (28.5 m)
Deck Area10590.6 sq m
Main Spans6
Year Built1962 (reconstructed 1985)

Traffic

Avg Daily Traffic144,783 (2022)
Truck Traffic9%
Lanes On Bridge6
Lanes Under Bridge13

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour CriticalNot applicable
Structure Number150150001710317

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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