US Bridges

Landsdowne ST over Willow Waterhole Bayou

FairPosted for load

Harris County, Texas · 0.40 MI N of W Airport · Structure no. 121020B37873176

Built
1953
72 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete Continuous
Length
59 ft
3 main spans
Daily traffic
2,335
2013 count
Owner
City
City or Municipal Highway Agency

About this bridge

Landsdowne ST over Willow Waterhole Bayou is a concrete continuous slab carrying Landsdowne ST over Willow Waterhole Bayou in Harris County, Texas. It was built in 1953, so it is 72 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 2,335 vehicles a day, projected to reach 3,335 by 2033. The structure is 59 ft (18 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLandsdowne ST
CrossesWillow Waterhole Bayou
Location0.40 MI N of W Airport
RouteCity Street 0
CountyHarris County
StateTexas
Coordinates29.65014, -95.48678
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour evaluation has not been made
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
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 typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length59 ft (18 m)
Longest span19 ft (5.8 m)
Deck width36 ft (11.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,335 (2013)
Projected traffic3,335 by 2033
Trucks0%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$4,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Landsdowne ST over Willow Waterhole Bayou built?

It was built in 1953, making it 72 years old in 2025.

What condition is Landsdowne ST over Willow Waterhole Bayou 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 August 2023.

How much traffic does Landsdowne ST over Willow Waterhole Bayou carry?

About 2,335 vehicles per day (2013 count).

How long is Landsdowne ST over Willow Waterhole Bayou?

The structure is 59 ft (18 m) long with a longest span of 19 ft (5.8 m) and a deck 36 ft wide.

Who owns Landsdowne ST over Willow Waterhole Bayou?

It is owned by the City or Municipal Highway Agency.