US Bridges

183A SB Ml over Lakeline Blvd

Good

Williamson County, Texas · 0.9 MI N of SH 45 · Structure no. 142460T00183001

Built
2007
18 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
281 ft
1 main span
Daily traffic
14,310
2010 count
Owner
Toll Authority
Local Toll Authority

About this bridge

183A SB Ml over Lakeline Blvd is a prestressed concrete stringer/multi-beam or girder carrying 183A SB Ml over Lakeline Blvd in Williamson County, Texas. It was built in 2007, so it is 18 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 14,310 vehicles a day, roughly 5% of them trucks, projected to reach 25,776 by 2030. The structure is 281 ft (85.6 m) long and 82 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries183A SB Ml
CrossesLakeline Blvd
Location0.9 MI N of SH 45
StateTexas
Coordinates30.47977, -97.80263
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.
Last inspectionSeptember 2023
Inspection intervalevery 48 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, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length281 ft (85.6 m)
Longest span131 ft (39.9 m)
Deck width82 ft (25 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,310 (2010)
Projected traffic25,776 by 2030
Trucks5%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerLocal Toll Authority
Maintained byLocal Toll Authority
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 183A SB Ml over Lakeline Blvd built?

It was built in 2007, making it 18 years old in 2025.

What condition is 183A SB Ml over Lakeline Blvd 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 September 2023.

How much traffic does 183A SB Ml over Lakeline Blvd carry?

About 14,310 vehicles per day (2010 count), of which roughly 5% are trucks.

How long is 183A SB Ml over Lakeline Blvd?

The structure is 281 ft (85.6 m) long with a longest span of 131 ft (39.9 m) and a deck 82 ft wide.

Who owns 183A SB Ml over Lakeline Blvd?

It is owned by the Local Toll Authority.