Structure 142460G01840002 · Williamson County, TX

Discovery BLVD over Spanish Oak Creek

Carries Discovery BLVD over Spanish Oak Creek, 0.20 Mi N Of FM 1431.

Overall conditionGood

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

How ratings work
Deck8/9 · Very Good
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT134 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 7/9 · sets the rating

134 ft end to end, longest span 34 ft. 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 deck arch.

Built200422 years old
Length133.9 ft40.8 m
Daily traffic7,250counted 2010
Last inspectedSeptember 2023every 24 months

Location

StateTexas
CountyWilliamson
Location0.20 Mi N Of FM 1431
CarriesDiscovery BLVD
CrossesSpanish Oak Creek
Coordinates30.52712, -97.82181

Physical Characteristics

MaterialConcrete
DesignArch - Deck
Total Length133.9 ft (40.8 m)
Max Span34.1 ft (10.4 m)
Deck Width70.2 ft (21.4 m)
Deck Area873.1 sq m
Main Spans4
Year Built2004

Traffic

Avg Daily Traffic7,250 (2010)
Truck Traffic2%
Lanes On Bridge4

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical7 — Countermeasures installed
Structure Number142460G01840002

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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