US Bridges

Leonardo Drive over Drainage

Good

Williamson County, Texas · 2.3 MI N of US 79 · Structure no. 142460AA0861002

Built
2019
6 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
43 ft
5 main spans
Daily traffic
30
2017 count
Owner
County
County Highway Agency

About this bridge

Leonardo Drive over Drainage is a concrete culvert carrying Leonardo Drive over Drainage in Williamson County, Texas. It was built in 2019, so it is 6 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 30 vehicles a day, roughly 1% of them trucks, projected to reach 398 by 2038. The structure is 43 ft (13.1 m) long and 124 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLeonardo Drive
CrossesDrainage
Location2.3 MI N of US 79
RouteCounty Highway 0
StateTexas
Coordinates30.55963, -97.59903
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
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
DeckNot applicable
Main spans5
Design loadHL 93
Structure length43 ft (13.1 m)
Longest span7 ft (2.1 m)
Deck width124 ft (37.7 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2017)
Projected traffic398 by 2038
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Leonardo Drive over Drainage built?

It was built in 2019, making it 6 years old in 2025.

What condition is Leonardo Drive over Drainage 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 Leonardo Drive over Drainage carry?

About 30 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Leonardo Drive over Drainage?

The structure is 43 ft (13.1 m) long with a longest span of 7 ft (2.1 m) and a deck 124 ft wide.

Who owns Leonardo Drive over Drainage?

It is owned by the County Highway Agency.