Structure 150150052104019 · Bexar County, TX

IH 410 Ml over Leon Creek

Carries IH 410 Ml over Leon Creek, 0.5 Mi NE Of Military DR.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT550 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 7/9

550 ft end to end, longest span 71 ft: about 1.5 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.

Built1960rebuilt 1987
Length549.9 ft167.6 m
Daily traffic70,147counted 2020
Last inspectedJune 2024every 24 months

Location

StateTexas
CountyBexar
Location0.5 Mi NE Of Military DR
CarriesIH 410 Ml
CrossesLeon Creek
Coordinates29.44843, -98.63386

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length549.9 ft (167.6 m)
Max Span70.9 ft (21.6 m)
Deck Width167.0 ft (50.9 m)
Deck Area8530.8 sq m
Main Spans9
Year Built1960 (reconstructed 1987)

Traffic

Avg Daily Traffic70,147 (2020)
Truck Traffic16%
Lanes On Bridge12

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical8 — Stable, low risk
Structure Number150150052104019

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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