US Bridges

CR 129 over Brushy Creek Relief

Good

Williamson County, Texas · 0.25 MI S of FM 1660 · Structure no. 142460AA0439001

Built
1999
26 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
61 ft
1 main span
Daily traffic
517
2020 count
Owner
County
County Highway Agency

About this bridge

CR 129 over Brushy Creek Relief is a prestressed concrete box beam or girders - multiple carrying CR 129 over Brushy 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 517 vehicles a day, projected to reach 816 by 2030. The structure is 61 ft (18.6 m) long and 30 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesCR 129
CrossesBrushy Creek Relief
Location0.25 MI S of FM 1660
RouteCounty Highway 129
StateTexas
Coordinates30.49124, -97.49868
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length61 ft (18.6 m)
Longest span59 ft (18 m)
Deck width30 ft (9 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic517 (2020)
Projected traffic816 by 2030
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 129 over Brushy Creek Relief built?

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

What condition is CR 129 over Brushy 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 129 over Brushy Creek Relief carry?

About 517 vehicles per day (2020 count).

How long is CR 129 over Brushy Creek Relief?

The structure is 61 ft (18.6 m) long with a longest span of 59 ft (18 m) and a deck 30 ft wide.

Who owns CR 129 over Brushy Creek Relief?

It is owned by the County Highway Agency.