Structure 142270015109507 · Travis County, TX

US 183 NB over Boggy Creek ; Cmta Rr

Carries US 183 NB over Boggy Creek ; Cmta Rr, 1.602 Mi N Of Sl0111.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · 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 FT505 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 7/9 · sets the rating

505 ft end to end, longest span 161 ft: about 7 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.

Built20197 years old
Length504.9 ft153.9 m
Daily traffic48,200counted 2015
Last inspectedSeptember 2023every 24 months

Location

StateTexas
CountyTravis
Location1.602 Mi N Of Sl0111
CarriesUS 183 NB
CrossesBoggy Creek ; Cmta Rr
Coordinates30.26351, -97.67229

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length504.9 ft (153.9 m)
Max Span161.1 ft (49.1 m)
Deck Width117.8 ft (35.9 m)
Deck Area5525.0 sq m
Main Spans3
Year Built2019

Traffic

Avg Daily Traffic48,200 (2015)
Lanes On Bridge6

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number142270015109507

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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