Structure 150150052104316 · Bexar County, TX

IH 410 Wbml over Nacogdoches RD

Carries IH 410 Wbml over Nacogdoches RD, 1.70 Mi E Of US 281.

Overall conditionGood

Set by its lowest-rated component: Deck and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT371 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 7/9 · sets the rating

371 ft end to end, longest span 124 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.

Built201016 years old
Length371.1 ft113.1 m
Daily traffic90,922counted 2017
Last inspectedJuly 2022every 48 months

Location

StateTexas
CountyBexar
Location1.70 Mi E Of US 281
CarriesIH 410 Wbml
CrossesNacogdoches RD
Coordinates29.51618, -98.45190

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length371.1 ft (113.1 m)
Max Span124.0 ft (37.8 m)
Deck Width86.9 ft (26.5 m)
Deck Area2997.2 sq m
Main Spans3
Year Built2010

Traffic

Avg Daily Traffic90,922 (2017)
Truck Traffic4%
Lanes On Bridge6
Lanes Under Bridge8

Inspection & Ownership

Last InspectionJuly 2022
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number150150052104316

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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