US Bridges

SH 45 EB over North Branch

Good

Williamson County, Texas · 0.70 MI E of US 183 · Structure no. 142460068301062

Built
2006
19 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
2,016 ft
18 main spans
Daily traffic
21,000
2013 count
Owner
State
State Highway Agency

About this bridge

SH 45 EB over North Branch is a prestressed concrete stringer/multi-beam or girder carrying SH 45 EB 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 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 21,000 vehicles a day, roughly 15% of them trucks, projected to reach 46,830 by 2033. The structure is 2,016 ft (614.5 m) long and 87 ft wide.

CarriesSH 45 EB
CrossesNorth Branch
Location0.70 MI E of US 183
StateTexas
Coordinates30.47214, -97.78477
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans18
Design loadHS 20
Structure length2,016 ft (614.5 m)
Longest span112 ft (34.1 m)
Deck width87 ft (26.6 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,000 (2013)
Projected traffic46,830 by 2033
Trucks15%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 45 EB over North Branch built?

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

What condition is SH 45 EB over North Branch 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 over North Branch carry?

About 21,000 vehicles per day (2013 count), of which roughly 15% are trucks.

How long is SH 45 EB over North Branch?

The structure is 2,016 ft (614.5 m) long with a longest span of 112 ft (34.1 m) and a deck 87 ft wide.

Who owns SH 45 EB over North Branch?

It is owned by the State Highway Agency.