US Bridges

LP1NB to SH45WB over SH 45; Mcneil Rd; UPRR

Fair

Williamson County, Texas · 2.3 MI E of RM 620 · Structure no. 142460068306133

Built
2006
19 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
5,620 ft
6 main spans
Daily traffic
18,000
2013 count
Owner
State
State Highway Agency

About this bridge

LP1NB to SH45WB over SH 45; Mcneil Rd; UPRR is a steel continuous stringer/multi-beam or girder carrying LP1NB to SH45WB over SH 45; Mcneil Rd; UPRR 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 18,000 vehicles a day, roughly 15% of them trucks, projected to reach 29,190 by 2033. The structure is 5,620 ft (1,713 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesLP1NB to SH45WB
CrossesSH 45; Mcneil Rd; UPRR
Location2.3 MI E of RM 620
RouteState Highway 45
CountyWilliamson County
StateTexas
Coordinates30.47248, -97.70222
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to 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

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckCorrugated steel
Main spans6 (+41 approach)
Design loadHS 20
Structure length5,620 ft (1,713 m)
Longest span225 ft (68.6 m)
Deck width38 ft (11.6 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deck17 ft (5.1 m)

Traffic and service

Average daily traffic18,000 (2013)
Projected traffic29,190 by 2033
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
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 LP1NB to SH45WB over SH 45; Mcneil Rd; UPRR built?

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

What condition is LP1NB to SH45WB over SH 45; Mcneil Rd; UPRR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2023.

How much traffic does LP1NB to SH45WB over SH 45; Mcneil Rd; UPRR carry?

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

How long is LP1NB to SH45WB over SH 45; Mcneil Rd; UPRR?

The structure is 5,620 ft (1,713 m) long with a longest span of 225 ft (68.6 m) and a deck 38 ft wide.

Who owns LP1NB to SH45WB over SH 45; Mcneil Rd; UPRR?

It is owned by the State Highway Agency.