Structure 142270B00425007 · Travis County, TX

S Congress AVE over Lady Bird Lake

Carries S Congress AVE over Lady Bird Lake, 0.1 Mi S Of Cesar Chavez.

Overall conditionFair

Set by its lowest-rated component: Substructure at 6 of 9.

How ratings work
Deck8/9 · Very Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT954 FT OVERALL200 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 7/9Substructure 6/9 · sets the rating

954 ft end to end, longest span 119 ft: about 2.7 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 box-beam bridge.

Built1909rebuilt 1980
Length954.1 ft290.8 m
Daily traffic34,580counted 2014
Last inspectedMay 2024every 24 months

Location

StateTexas
CountyTravis
Location0.1 Mi S Of Cesar Chavez
CarriesS Congress AVE
CrossesLady Bird Lake
Coordinates30.26174, -97.74511

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length954.1 ft (290.8 m)
Max Span118.8 ft (36.2 m)
Deck Width81.4 ft (24.8 m)
Deck Area7211.8 sq m
Main Spans8
Year Built1909 (reconstructed 1980)

Traffic

Avg Daily Traffic34,580 (2014)
Truck Traffic3%
Lanes On Bridge6

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical5 — Stable for scour
Structure Number142270B00425007

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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