US Bridges

SH 45 WB on Ramp over SH 45 Row

Good

Williamson County, Texas · 1.10 MI E of FM 1325 · Structure no. 142460068306046

Built
2006
19 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
468 ft
4 main spans
Daily traffic
15,000
2013 count
Owner
State
State Highway Agency

About this bridge

SH 45 WB on Ramp over SH 45 Row is a prestressed concrete stringer/multi-beam or girder carrying SH 45 WB on Ramp over SH 45 Row 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 15,000 vehicles a day, roughly 15% of them trucks, projected to reach 20,000 by 2033. The structure is 468 ft (142.6 m) long and 26 ft wide.

CarriesSH 45 WB on Ramp
CrossesSH 45 Row
Location1.10 MI E of FM 1325
StateTexas
Coordinates30.48116, -97.66943
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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length468 ft (142.6 m)
Longest span124 ft (37.8 m)
Deck width26 ft (7.9 m)
Roadway width23 ft (7 m)
Vertical clearance over deck19 ft (5.7 m)

Traffic and service

Average daily traffic15,000 (2013)
Projected traffic20,000 by 2033
Trucks15%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
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 WB on Ramp over SH 45 Row built?

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

What condition is SH 45 WB on Ramp over SH 45 Row 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 WB on Ramp over SH 45 Row carry?

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

How long is SH 45 WB on Ramp over SH 45 Row?

The structure is 468 ft (142.6 m) long with a longest span of 124 ft (37.8 m) and a deck 26 ft wide.

Who owns SH 45 WB on Ramp over SH 45 Row?

It is owned by the State Highway Agency.