Structure 142270015106103 · Travis County, TX

Us183sb To Ih35sb over US 183; IH 35 SB Ftg Rds

Carries Us183sb To Ih35sb over US 183; IH 35 SB Ftg Rds, IH 35 & US 183 Interchnge.

Overall conditionGood

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

How ratings work
Deck8/9 · Very 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 FT919 FT OVERALL200 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 7/9 · sets the ratingSubstructure 7/9 · sets the rating

919 ft end to end, longest span 126 ft: about 2.6 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 segmental box-girder bridge.

Built199828 years old
Length919.0 ft280.1 m
Daily traffic25,307counted 2019
Last inspectedAugust 2023every 24 months

Location

StateTexas
CountyTravis
LocationIH 35 & US 183 Interchnge
CarriesUs183sb To Ih35sb
CrossesUS 183; IH 35 SB Ftg Rds
Coordinates30.33966, -97.70149

Physical Characteristics

MaterialPrestressed Concrete
DesignSegmental Box Girder
Total Length919.0 ft (280.1 m)
Max Span126.0 ft (38.4 m)
Deck Width27.9 ft (8.5 m)
Deck Area2380.8 sq m
Main Spans8
Year Built1998

Traffic

Avg Daily Traffic25,307 (2019)
Truck Traffic3%
Lanes On Bridge1
Lanes Under Bridge7

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 Number142270015106103

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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