US Bridges

Antoine DR NB over White Oak Bayou

FairPosted for load

Harris County, Texas · 0.05 MI N of Little York · Structure no. 121020B03369091

Built
1965
60 years old, rebuilt 1974
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
177 ft
7 main spans
Daily traffic
11,680
2012 count
Owner
City
City or Municipal Highway Agency

About this bridge

Antoine DR NB over White Oak Bayou is a concrete slab carrying Antoine DR NB over White Oak Bayou in Harris County, Texas. It was built in 1965 and reconstructed in 1974, so it is 60 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 6 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 11,680 vehicles a day, projected to reach 10,964 by 2032. The structure is 177 ft (54 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesAntoine DR NB
CrossesWhite Oak Bayou
Location0.05 MI N of Little York
RouteCity Street 0
CountyHarris County
StateTexas
Coordinates29.86483, -95.47318
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
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
DeckConcrete, cast-in-place
Main spans7
Design loadUnknown
Structure length177 ft (54 m)
Longest span25 ft (7.6 m)
Deck width30 ft (9.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,680 (2012)
Projected traffic10,964 by 2032
Trucks0%
Lanes on structure2
Traffic directionOne-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$10,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Antoine DR NB over White Oak Bayou built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1974.

What condition is Antoine DR NB over White Oak 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 October 2024.

How much traffic does Antoine DR NB over White Oak Bayou carry?

About 11,680 vehicles per day (2012 count).

How long is Antoine DR NB over White Oak Bayou?

The structure is 177 ft (54 m) long with a longest span of 25 ft (7.6 m) and a deck 30 ft wide.

Who owns Antoine DR NB over White Oak Bayou?

It is owned by the City or Municipal Highway Agency.