US Bridges

CR 258 over Sowes Branch

Good

Williamson County, Texas · 2.50 MI S of FM 3405 · Structure no. 142460AA0147001

Built
1978
47 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
214 ft
7 main spans
Daily traffic
300
2020 count
Owner
County
County Highway Agency

About this bridge

CR 258 over Sowes Branch is a concrete stringer/multi-beam or girder carrying CR 258 over Sowes Branch in Williamson County, Texas. It was built in 1978, so it is 47 years old, older 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 300 vehicles a day, projected to reach 945 by 2030. The structure is 214 ft (65.2 m) long and 28 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesCR 258
CrossesSowes Branch
Location2.50 MI S of FM 3405
RouteCounty Highway 258
CountyWilliamson County
StateTexas
Coordinates30.6854, -97.83748
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadUnknown
Structure length214 ft (65.2 m)
Longest span30 ft (9.1 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2020)
Projected traffic945 by 2030
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$349,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 258 over Sowes Branch built?

It was built in 1978, making it 47 years old in 2025.

What condition is CR 258 over Sowes 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 October 2023.

How much traffic does CR 258 over Sowes Branch carry?

About 300 vehicles per day (2020 count).

How long is CR 258 over Sowes Branch?

The structure is 214 ft (65.2 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns CR 258 over Sowes Branch?

It is owned by the County Highway Agency.