US Bridges

CR 258 over San Gabriel R Relief

Good

Williamson County, Texas · 3.7 MI N of SH 29 · Structure no. 142460AA0147003

Built
2017
8 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete
Length
67 ft
6 main spans
Daily traffic
400
2017 count
Owner
County
County Highway Agency

About this bridge

CR 258 over San Gabriel R Relief is a concrete culvert carrying CR 258 over San Gabriel R Relief in Williamson County, Texas. It was built in 2017, so it is 8 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 400 vehicles a day, projected to reach 1,000 by 2038. The structure is 67 ft (20.4 m) long and 72 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCR 258
CrossesSan Gabriel R Relief
Location3.7 MI N of SH 29
RouteCounty Highway 258
StateTexas
Coordinates30.68337, -97.84732
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
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 geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHL 93
Structure length67 ft (20.4 m)
Longest span9 ft (2.7 m)
Deck width72 ft (21.8 m)
Roadway width69 ft (21 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2017)
Projected traffic1,000 by 2038
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 258 over San Gabriel R Relief built?

It was built in 2017, making it 8 years old in 2025.

What condition is CR 258 over San Gabriel R 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 December 2023.

How much traffic does CR 258 over San Gabriel R Relief carry?

About 400 vehicles per day (2017 count).

How long is CR 258 over San Gabriel R Relief?

The structure is 67 ft (20.4 m) long with a longest span of 9 ft (2.7 m) and a deck 72 ft wide.

Who owns CR 258 over San Gabriel R Relief?

It is owned by the County Highway Agency.