US Bridges

SH 45 EB on Ramp over SH 45 EB Off Ramp

Good

Williamson County, Texas · 0.75 MI W of RM 620 · Structure no. 142460068301048

Built
2006
19 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
670 ft
7 main spans
Daily traffic
18,000
2013 count
Owner
State
State Highway Agency

About this bridge

SH 45 EB on Ramp over SH 45 EB Off Ramp is a prestressed concrete stringer/multi-beam or girder carrying SH 45 EB on Ramp over SH 45 EB Off Ramp 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 18,000 vehicles a day, roughly 15% of them trucks, projected to reach 22,510 by 2033. The structure is 670 ft (204.2 m) long and 36 ft wide.

Location

Open in Google Maps
CarriesSH 45 EB on Ramp
CrossesSH 45 EB Off Ramp
Location0.75 MI W of RM 620
CountyWilliamson County
StateTexas
Coordinates30.47969, -97.75365
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 geometry4: Meets minimum tolerable limits to be left in place as is
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 spans7
Design loadHS 20
Structure length670 ft (204.2 m)
Longest span100 ft (30.5 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,000 (2013)
Projected traffic22,510 by 2033
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a toll road
National Highway SystemNo

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 SH 45 EB on Ramp over SH 45 EB Off Ramp built?

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

What condition is SH 45 EB on Ramp over SH 45 EB Off Ramp 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 SH 45 EB on Ramp over SH 45 EB Off Ramp carry?

About 18,000 vehicles per day (2013 count), of which roughly 15% are trucks.

How long is SH 45 EB on Ramp over SH 45 EB Off Ramp?

The structure is 670 ft (204.2 m) long with a longest span of 100 ft (30.5 m) and a deck 36 ft wide.

Who owns SH 45 EB on Ramp over SH 45 EB Off Ramp?

It is owned by the State Highway Agency.