US Bridges

CR 348 over Willis Creek Relief

Good

Williamson County, Texas · 0.8 MI SE of FM 971 · Structure no. 142460AA0310001

Built
1999
26 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
37 ft
3 main spans
Daily traffic
180
2010 count
Owner
County
County Highway Agency

About this bridge

CR 348 over Willis Creek Relief is a concrete culvert carrying CR 348 over Willis Creek Relief in Williamson County, Texas. It was built in 1999, so it is 26 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 180 vehicles a day, projected to reach 300 by 2027. The structure is 37 ft (11.3 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCR 348
CrossesWillis Creek Relief
Location0.8 MI SE of FM 971
RouteCounty Highway 348
StateTexas
Coordinates30.70821, -97.42203
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span10 ft (3 m)
Deck width31 ft (9.6 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2010)
Projected traffic300 by 2027
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed5 mi (8 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 348 over Willis Creek Relief built?

It was built in 1999, making it 26 years old in 2025.

What condition is CR 348 over Willis Creek Relief 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 348 over Willis Creek Relief carry?

About 180 vehicles per day (2010 count).

How long is CR 348 over Willis Creek Relief?

The structure is 37 ft (11.3 m) long with a longest span of 10 ft (3 m) and a deck 31 ft wide.

Who owns CR 348 over Willis Creek Relief?

It is owned by the County Highway Agency.