US Bridges

Old Lake Road over Willow Creek

Fair

Bastrop County, Texas · 0.85 MI S of SH 71 · Structure no. 140110AA0321002

Built
1992
33 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete
Length
35 ft
4 main spans
Daily traffic
464
2020 count
Owner
County
County Highway Agency

About this bridge

Old Lake Road over Willow Creek is a concrete culvert carrying Old Lake Road over Willow Creek in Bastrop County, Texas. It was built in 1992, so it is 33 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 464 vehicles a day, roughly 3% of them trucks, projected to reach 114 by 2042. The structure is 35 ft (10.7 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesOld Lake Road
CrossesWillow Creek
Location0.85 MI S of SH 71
RouteCounty Highway 321
CountyBastrop County
StateTexas
Coordinates29.99293, -97.13456
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span8 ft (2.4 m)
Deck width30 ft (9.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic464 (2020)
Projected traffic114 by 2042
Trucks3%
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 Old Lake Road over Willow Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is Old Lake Road over Willow Creek 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 December 2023.

How much traffic does Old Lake Road over Willow Creek carry?

About 464 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is Old Lake Road over Willow Creek?

The structure is 35 ft (10.7 m) long with a longest span of 8 ft (2.4 m) and a deck 30 ft wide.

Who owns Old Lake Road over Willow Creek?

It is owned by the County Highway Agency.