US Bridges

S West DR over Mason Creek

Good

Williamson County, Texas · 0.40 MI S of Municipal DR · Structure no. 142460H00175001

Built
2004
21 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
121 ft
8 main spans
Daily traffic
3,530
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

S West DR over Mason Creek is a concrete culvert carrying S West DR over Mason Creek in Williamson County, Texas. It was built in 2004, so it is 21 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 3,530 vehicles a day, projected to reach 5,650 by 2030. The structure is 121 ft (36.9 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS West DR
CrossesMason Creek
Location0.40 MI S of Municipal DR
RouteCity Street 0
StateTexas
Coordinates30.56869, -97.85323
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
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 geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans8
Design loadUnknown
Structure length121 ft (36.9 m)
Longest span10 ft (3 m)
Deck width56 ft (17.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,530 (2010)
Projected traffic5,650 by 2030
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 S West DR over Mason Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is S West DR over Mason Creek 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 S West DR over Mason Creek carry?

About 3,530 vehicles per day (2010 count).

How long is S West DR over Mason Creek?

The structure is 121 ft (36.9 m) long with a longest span of 10 ft (3 m) and a deck 56 ft wide.

Who owns S West DR over Mason Creek?

It is owned by the City or Municipal Highway Agency.