Structure 142270015106099 · Travis County, TX

Lp 360 over US 183

Carries Lp 360 over US 183, 0.3 Mi S Of Great Hill Tr.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT413 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 6/9 · sets the ratingSubstructure 7/9

413 ft end to end, longest span 108 ft: about 6 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.

Built198937 years old
Length413.1 ft125.9 m
Daily traffic56,266counted 2019
Last inspectedJanuary 2023every 24 months

Location

StateTexas
CountyTravis
Location0.3 Mi S Of Great Hill Tr
CarriesLp 360
CrossesUS 183
Coordinates30.38944, -97.74514

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length413.1 ft (125.9 m)
Max Span107.9 ft (32.9 m)
Deck Width102.0 ft (31.1 m)
Deck Area3915.5 sq m
Main Spans4
Year Built1989

Traffic

Avg Daily Traffic56,266 (2019)
Truck Traffic3%
Lanes On Bridge7
Lanes Under Bridge9

Inspection & Ownership

Last InspectionJanuary 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number142270015106099

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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