US Bridges

CR 361 over San Gabriel River Branch

Good

Williamson County, Texas · 0.50 MI E of FM 971 · Structure no. 142460AA0305001

Built
1989
36 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
36 ft
4 main spans
Daily traffic
276
2020 count
Owner
County
County Highway Agency

About this bridge

CR 361 over San Gabriel River Branch is a concrete culvert carrying CR 361 over San Gabriel River Branch in Williamson County, Texas. It was built in 1989, so it is 36 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 276 vehicles a day, projected to reach 370 by 2027. The structure is 36 ft (11 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCR 361
CrossesSan Gabriel River Branch
Location0.50 MI E of FM 971
RouteCounty Highway 361
CountyWilliamson County
StateTexas
Coordinates30.71536, -97.30879
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 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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than 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 spans4
Design loadHS 20
Structure length36 ft (11 m)
Longest span8 ft (2.4 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic276 (2020)
Projected traffic370 by 2027
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was CR 361 over San Gabriel River Branch built?

It was built in 1989, making it 36 years old in 2025.

What condition is CR 361 over San Gabriel River 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 November 2023.

How much traffic does CR 361 over San Gabriel River Branch carry?

About 276 vehicles per day (2020 count).

How long is CR 361 over San Gabriel River Branch?

The structure is 36 ft (11 m) long with a longest span of 8 ft (2.4 m) and a deck 31 ft wide.

Who owns CR 361 over San Gabriel River Branch?

It is owned by the County Highway Agency.