US Bridges

SH45WB to US183NB over US 183 Nbfr & SH 45 Wbfr

Good

Williamson County, Texas · 2.0 MI W of FM 734 · Structure no. 142460068301066

Built
2007
18 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
4,336 ft
32 main spans
Daily traffic
5,000
2013 count
Owner
State
State Highway Agency

About this bridge

SH45WB to US183NB over US 183 Nbfr & SH 45 Wbfr is a prestressed concrete stringer/multi-beam or girder carrying SH45WB to US183NB over US 183 Nbfr & SH 45 Wbfr in Williamson County, Texas. It was built in 2007, so it is 18 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 5,000 vehicles a day, roughly 15% of them trucks, projected to reach 18,240 by 2033. The structure is 4,336 ft (1,321.6 m) long and 51 ft wide.

Location

Open in Google Maps
CarriesSH45WB to US183NB
CrossesUS 183 Nbfr & SH 45 Wbfr
Location2.0 MI W of FM 734
CountyWilliamson County
StateTexas
Coordinates30.46974, -97.79633
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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior 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, precast panels
Main spans32 (+8 approach)
Design loadHS 20
Structure length4,336 ft (1,321.6 m)
Longest span130 ft (39.6 m)
Deck width51 ft (15.5 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2013)
Projected traffic18,240 by 2033
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesThird level (interchange)
CrossesHighway
Detour if closed—
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
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 SH45WB to US183NB over US 183 Nbfr & SH 45 Wbfr built?

It was built in 2007, making it 18 years old in 2025.

What condition is SH45WB to US183NB over US 183 Nbfr & SH 45 Wbfr 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 November 2023.

How much traffic does SH45WB to US183NB over US 183 Nbfr & SH 45 Wbfr carry?

About 5,000 vehicles per day (2013 count), of which roughly 15% are trucks.

How long is SH45WB to US183NB over US 183 Nbfr & SH 45 Wbfr?

The structure is 4,336 ft (1,321.6 m) long with a longest span of 130 ft (39.6 m) and a deck 51 ft wide.

Who owns SH45WB to US183NB over US 183 Nbfr & SH 45 Wbfr?

It is owned by the State Highway Agency.