Structure 130080040901002 · Austin County, TX

SH 159 over Clear Creek

Carries SH 159 over Clear Creek, 2.85 Mi NE Of FM 529.

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 overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT98 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 7/9 · sets the rating

98 ft end to end, longest span 14 ft. Lengths and the car 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 slab bridge.

Built1928rebuilt 1958
Length98.1 ft29.9 m
Daily traffic5,424counted 2020
Last inspectedFebruary 2023every 24 months

Location

StateTexas
CountyAustin
Location2.85 Mi NE Of FM 529
CarriesSH 159
CrossesClear Creek
Coordinates29.97719, -96.21813

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length98.1 ft (29.9 m)
Max Span14.1 ft (4.3 m)
Deck Width46.3 ft (14.1 m)
Deck Area421.6 sq m
Main Spans7
Year Built1928 (reconstructed 1958)

Traffic

Avg Daily Traffic5,424 (2020)
Truck Traffic24%
Lanes On Bridge2

Inspection & Ownership

Last InspectionFebruary 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical5 — Stable for scour
Structure Number130080040901002

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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