US Bridges

CR 279 over S Fork San Gabriel River

Fair

Williamson County, Texas · 1.50 MI S of Loop 332 · Structure no. 142460AA0279001

Built
1987
38 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
352 ft
5 main spans
Daily traffic
4,054
2020 count
Owner
County
County Highway Agency

About this bridge

CR 279 over S Fork San Gabriel River is a prestressed concrete stringer/multi-beam or girder carrying CR 279 over S Fork San Gabriel River in Williamson County, Texas. It was built in 1987, so it is 38 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 4,054 vehicles a day, projected to reach 3,400 by 2030. The structure is 352 ft (107.3 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCR 279
CrossesS Fork San Gabriel River
Location1.50 MI S of Loop 332
RouteCounty Highway 279
CountyWilliamson County
StateTexas
Coordinates30.64892, -97.91001
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry3: Basically intolerable, requiring high priority of corrective action
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
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length352 ft (107.3 m)
Longest span70 ft (21.3 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,054 (2020)
Projected traffic3,400 by 2030
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 279 over S Fork San Gabriel River built?

It was built in 1987, making it 38 years old in 2025.

What condition is CR 279 over S Fork San Gabriel River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does CR 279 over S Fork San Gabriel River carry?

About 4,054 vehicles per day (2020 count).

How long is CR 279 over S Fork San Gabriel River?

The structure is 352 ft (107.3 m) long with a longest span of 70 ft (21.3 m) and a deck 30 ft wide.

Who owns CR 279 over S Fork San Gabriel River?

It is owned by the County Highway Agency.