US Bridges

CR 120 over Weir Branch

Fair

Williamson County, Texas · 0.30 MI S of FM 971 · Structure no. 142460N00005001

Built
2006
19 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
53 ft
5 main spans
Daily traffic
1,356
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

CR 120 over Weir Branch is a concrete culvert carrying CR 120 over Weir Branch in Williamson County, Texas. It was built in 2006, so it is 19 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 1,356 vehicles a day, projected to reach 1,470 by 2030. The structure is 53 ft (16.2 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCR 120
CrossesWeir Branch
Location0.30 MI S of FM 971
RouteCity Street 120
CountyWilliamson County
StateTexas
Coordinates30.67042, -97.58419
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable 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 spans5
Design loadHS 20
Structure length53 ft (16.2 m)
Longest span10 ft (3 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,356 (2020)
Projected traffic1,470 by 2030
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$6,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 120 over Weir Branch built?

It was built in 2006, making it 19 years old in 2025.

What condition is CR 120 over Weir Branch 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 120 over Weir Branch carry?

About 1,356 vehicles per day (2020 count).

How long is CR 120 over Weir Branch?

The structure is 53 ft (16.2 m) long with a longest span of 10 ft (3 m) and a deck 30 ft wide.

Who owns CR 120 over Weir Branch?

It is owned by the City or Municipal Highway Agency and maintained by the County Highway Agency.