US Bridges

CR403 (welch St) over Mustang Creek

Good

Williamson County, Texas · 0.15 MI W of US 79 · Structure no. 142460C00695002

Built
2008
17 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
115 ft
1 main span
Daily traffic
31
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

CR403 (welch St) over Mustang Creek is a prestressed concrete stringer/multi-beam or girder carrying CR403 (welch St) over Mustang Creek in Williamson County, Texas. It was built in 2008, so it is 17 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 31 vehicles a day, projected to reach 1,026 by 2030. The structure is 115 ft (35.1 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCR403 (welch St)
CrossesMustang Creek
Location0.15 MI W of US 79
RouteCity Street 403
CountyWilliamson County
StateTexas
Coordinates30.56553, -97.43671
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal 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, cast-in-place
Main spans1
Design loadHL 93
Structure length115 ft (35.1 m)
Longest span115 ft (35.1 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31 (2022)
Projected traffic1,026 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$773,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR403 (welch St) over Mustang Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is CR403 (welch St) over Mustang 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 December 2023.

How much traffic does CR403 (welch St) over Mustang Creek carry?

About 31 vehicles per day (2022 count).

How long is CR403 (welch St) over Mustang Creek?

The structure is 115 ft (35.1 m) long with a longest span of 115 ft (35.1 m) and a deck 32 ft wide.

Who owns CR403 (welch St) over Mustang Creek?

It is owned by the City or Municipal Highway Agency.