US Bridges

CR 155 over Weir Branch

Fair

Williamson County, Texas · 0.7 MI East of FM 1105 · Structure no. 142460AA0155001

Built
1990
35 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
37 ft
3 main spans
Daily traffic
106
2020 count
Owner
County
County Highway Agency

About this bridge

CR 155 over Weir Branch is a concrete culvert carrying CR 155 over Weir Branch in Williamson County, Texas. It was built in 1990, so it is 35 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 106 vehicles a day, roughly 1% of them trucks, projected to reach 600 by 2030. The structure is 37 ft (11.3 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR 155
CrossesWeir Branch
Location0.7 MI East of FM 1105
RouteCounty Highway 155
CountyWilliamson County
StateTexas
Coordinates30.69045, -97.57584
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 inspectionNovember 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 geometry6: Equal to present minimum criteria
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 typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length37 ft (11.3 m)
Longest span8 ft (2.4 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic106 (2020)
Projected traffic600 by 2030
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 155 over Weir Branch built?

It was built in 1990, making it 35 years old in 2025.

What condition is CR 155 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 November 2023.

How much traffic does CR 155 over Weir Branch carry?

About 106 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is CR 155 over Weir Branch?

The structure is 37 ft (11.3 m) long with a longest span of 8 ft (2.4 m) and a deck 32 ft wide.

Who owns CR 155 over Weir Branch?

It is owned by the County Highway Agency.