US Bridges

SH 45 EB Ml over Arterial a

Good

Williamson County, Texas · 2.75 MI E of IH 35 · Structure no. 142460068306071

Built
2006
19 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
362 ft
2 main spans
Daily traffic
16,000
2013 count
Owner
State
State Highway Agency

About this bridge

SH 45 EB Ml over Arterial a is a prestressed concrete stringer/multi-beam or girder carrying SH 45 EB Ml over Arterial a 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 16,000 vehicles a day, roughly 15% of them trucks, projected to reach 42,190 by 2033. The structure is 362 ft (110.3 m) long and 70 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSH 45 EB Ml
CrossesArterial a
Location2.75 MI E of IH 35
CountyWilliamson County
StateTexas
Coordinates30.488, -97.62889
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 geometry9: Superior to present desirable criteria
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, precast panels
Main spans2 (+1 approach)
Design loadHS 20
Structure length362 ft (110.3 m)
Longest span145 ft (44.2 m)
Deck width70 ft (21.3 m)
Roadway width67 ft (20.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,000 (2013)
Projected traffic42,190 by 2033
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 SH 45 EB Ml over Arterial a built?

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

What condition is SH 45 EB Ml over Arterial a 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 Ml over Arterial a carry?

About 16,000 vehicles per day (2013 count), of which roughly 15% are trucks.

How long is SH 45 EB Ml over Arterial a?

The structure is 362 ft (110.3 m) long with a longest span of 145 ft (44.2 m) and a deck 70 ft wide.

Who owns SH 45 EB Ml over Arterial a?

It is owned by the State Highway Agency.