US Bridges

183A NB On-Rp over 183A NB Off-Rp

Good

Williamson County, Texas · 0.9 MI N of FM 1431 · Structure no. 142460T00183026

Built
2012
13 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
746 ft
6 main spans
Daily traffic
35,207
2011 count
Owner
Toll Authority
Local Toll Authority

About this bridge

183A NB On-Rp over 183A NB Off-Rp is a prestressed concrete stringer/multi-beam or girder carrying 183A NB On-Rp over 183A NB Off-Rp in Williamson County, Texas. It was built in 2012, so it is 13 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 35,207 vehicles a day, roughly 5% of them trucks, projected to reach 60,106 by 2031. The structure is 746 ft (227.4 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries183A NB On-Rp
Crosses183A NB Off-Rp
Location0.9 MI N of FM 1431
CountyWilliamson County
StateTexas
Coordinates30.54341, -97.81641
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHL 93
Structure length746 ft (227.4 m)
Longest span125 ft (38.1 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,207 (2011)
Projected traffic60,106 by 2031
Trucks5%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemNo

Ownership and planned work

OwnerLocal Toll Authority
Maintained byLocal Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 183A NB On-Rp over 183A NB Off-Rp built?

It was built in 2012, making it 13 years old in 2025.

What condition is 183A NB On-Rp over 183A NB Off-Rp in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does 183A NB On-Rp over 183A NB Off-Rp carry?

About 35,207 vehicles per day (2011 count), of which roughly 5% are trucks.

How long is 183A NB On-Rp over 183A NB Off-Rp?

The structure is 746 ft (227.4 m) long with a longest span of 125 ft (38.1 m) and a deck 28 ft wide.

Who owns 183A NB On-Rp over 183A NB Off-Rp?

It is owned by the Local Toll Authority.