Structure 142460068306047 · Williamson County, TX

SH 45 EB Off Ramp over SH 45 Row

Carries SH 45 EB Off Ramp over SH 45 Row, 1.10 Mi E Of FM 1325.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructuresets the rating8/9 · Very Good
Substructuresets the rating8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT955 FT OVERALL200 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

955 ft end to end, longest span 124 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 multi-beam bridge.

Built200620 years old
Length955.1 ft291.1 m
Daily traffic15,000counted 2013
Last inspectedNovember 2023every 24 months

Location

StateTexas
CountyWilliamson
Location1.10 Mi E Of FM 1325
CarriesSH 45 EB Off Ramp
CrossesSH 45 Row
Coordinates30.48014, -97.67223

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length955.1 ft (291.1 m)
Max Span124.0 ft (37.8 m)
Deck Width36.1 ft (11 m)
Deck Area3202.1 sq m
Main Spans8
Year Built2006

Traffic

Avg Daily Traffic15,000 (2013)
Truck Traffic15%
Lanes On Bridge2
Lanes Under Bridge3

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number142460068306047

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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