Structure 142460001508486 · Williamson County, TX

Ih35sb To Sh130sb over IH 35

Carries Ih35sb To Sh130sb over IH 35, 3.30 Mi N Of SH 29.

Overall conditionGood

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

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

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,660 FT OVERALL250 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

1,660 ft end to end, longest span 220 ft: about 4.6 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.

Built200620 years old
Length1660.1 ft506 m
Daily traffic3,150counted 2016
Last inspectedAugust 2023every 24 months

Location

StateTexas
CountyWilliamson
Location3.30 Mi N Of SH 29
CarriesIh35sb To Sh130sb
CrossesIH 35
Coordinates30.68848, -97.65762

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length1660.1 ft (506 m)
Max Span220.1 ft (67.1 m)
Deck Width58.1 ft (17.7 m)
Deck Area8956.2 sq m
Main Spans2
Year Built2006

Traffic

Avg Daily Traffic3,150 (2016)
Truck Traffic25%
Lanes On Bridge3
Lanes Under Bridge12

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number142460001508486

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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