US Bridges

SH 45 WB FR over North Branch

Fair

Williamson County, Texas · 0.90 MI E of US 183 · Structure no. 142460068301064

Built
2006
19 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
98 ft
8 main spans
Daily traffic
9,080
2013 count
Owner
State
State Highway Agency

About this bridge

SH 45 WB FR over North Branch is a concrete culvert carrying SH 45 WB FR over North Branch 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 9,080 vehicles a day, roughly 2% of them trucks, projected to reach 12,710 by 2033. The structure is 98 ft (29.9 m) long and 71 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSH 45 WB FR
CrossesNorth Branch
Location0.90 MI E of US 183
RouteState Highway 45
CountyWilliamson County
StateTexas
Coordinates30.47324, -97.78341
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans8
Design loadHS 20
Structure length98 ft (29.9 m)
Longest span8 ft (2.4 m)
Deck width71 ft (21.5 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,080 (2013)
Projected traffic12,710 by 2033
Trucks2%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 45 WB FR over North Branch built?

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

What condition is SH 45 WB FR over North Branch 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 SH 45 WB FR over North Branch carry?

About 9,080 vehicles per day (2013 count), of which roughly 2% are trucks.

How long is SH 45 WB FR over North Branch?

The structure is 98 ft (29.9 m) long with a longest span of 8 ft (2.4 m) and a deck 71 ft wide.

Who owns SH 45 WB FR over North Branch?

It is owned by the State Highway Agency.