US Bridges

US183SB-SH45EB Con over US 183 & SH 45

Good

Williamson County, Texas · 2.0 MI W of Parmer LN · Structure no. 142460015104127

Built
2006
19 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,349 ft
2 main spans
Daily traffic
5,000
2016 count
Owner
State
State Highway Agency

About this bridge

US183SB-SH45EB Con over US 183 & SH 45 is a steel continuous stringer/multi-beam or girder carrying US183SB-SH45EB Con over US 183 & SH 45 in Williamson County, Texas. It was built in 2006, so it is 19 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 5% of them trucks, projected to reach 17,160 by 2036. The structure is 1,349 ft (411.2 m) long and 44 ft wide.

Location

Open in Google Maps
CarriesUS183SB-SH45EB Con
CrossesUS 183 & SH 45
Location2.0 MI W of Parmer LN
RouteU.S. Route 183
CountyWilliamson County
StateTexas
Coordinates30.46871, -97.79673
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.
Superstructure8 Very GoodNo problems noted.
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
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+7 approach)
Design loadHS 20
Structure length1,349 ft (411.2 m)
Longest span240 ft (73.2 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deck17 ft (5.3 m)

Traffic and service

Average daily traffic5,000 (2016)
Projected traffic17,160 by 2036
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesThird level (interchange)
CrossesHighway
Detour if closed—
TollOn a free 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 US183SB-SH45EB Con over US 183 & SH 45 built?

It was built in 2006, making it 19 years old in 2025.

What condition is US183SB-SH45EB Con over US 183 & SH 45 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 US183SB-SH45EB Con over US 183 & SH 45 carry?

About 5,000 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is US183SB-SH45EB Con over US 183 & SH 45?

The structure is 1,349 ft (411.2 m) long with a longest span of 240 ft (73.2 m) and a deck 44 ft wide.

Who owns US183SB-SH45EB Con over US 183 & SH 45?

It is owned by the State Highway Agency.