US Bridges

CR 405 over Avery Branch

Good

Williamson County, Texas · 0.12 MI N of CR1660 · Structure no. 142460AA0432003

Built
2020
5 years old
Condition
Good
inspected December 2023
Type
Culvert
Steel
Length
20 ft
2 main spans
Daily traffic
130
2010 count
Owner
County
County Highway Agency

About this bridge

CR 405 over Avery Branch is a steel culvert carrying CR 405 over Avery Branch in Williamson County, Texas. It was built in 2020, so it is 5 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 130 vehicles a day, projected to reach 1 by 1900. The structure is 20 ft (6.1 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCR 405
CrossesAvery Branch
Location0.12 MI N of CR1660
RouteCounty Highway 0
CountyWilliamson County
StateTexas
Coordinates30.47813, -97.43891
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length20 ft (6.1 m)
Longest span7 ft (2.1 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2010)
Projected traffic1 by 1900
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 405 over Avery Branch built?

It was built in 2020, making it 5 years old in 2025.

What condition is CR 405 over Avery Branch 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 December 2023.

How much traffic does CR 405 over Avery Branch carry?

About 130 vehicles per day (2010 count).

How long is CR 405 over Avery Branch?

The structure is 20 ft (6.1 m) long with a longest span of 7 ft (2.1 m) and a deck 28 ft wide.

Who owns CR 405 over Avery Branch?

It is owned by the County Highway Agency.