US Bridges

Mcneil Drive over Walnut Creek

Good

Travis County, Texas · 0.1 MI NE of Parmer Lane · Structure no. 142270AA0797001

Built
1980
45 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
39 ft
5 main spans
Daily traffic
32,889
2019 count
Owner
County
County Highway Agency

About this bridge

Mcneil Drive over Walnut Creek is a concrete culvert carrying Mcneil Drive over Walnut Creek in Travis County, Texas. It was built in 1980, so it is 45 years old, older 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 32,889 vehicles a day, roughly 10% of them trucks, projected to reach 37,390 by 2027. The structure is 39 ft (12 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMcneil Drive
CrossesWalnut Creek
Location0.1 MI NE of Parmer Lane
RouteCounty Highway 797
StateTexas
Coordinates30.44456, -97.74047
Functional classUrban 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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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
DeckNot applicable
Main spans5
Design loadUnknown
Structure length39 ft (12 m)
Longest span7 ft (2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,889 (2019)
Projected traffic37,390 by 2027
Trucks10%
Lanes on structure4
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 Mcneil Drive over Walnut Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Mcneil Drive over Walnut Creek 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 May 2024.

How much traffic does Mcneil Drive over Walnut Creek carry?

About 32,889 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is Mcneil Drive over Walnut Creek?

The structure is 39 ft (12 m) long with a longest span of 7 ft (2 m).

Who owns Mcneil Drive over Walnut Creek?

It is owned by the County Highway Agency.