US Bridges

Bw 8 Wbml over Greens Bayou

Fair

Harris County, Texas · .5 MI E of Aldine W Field · Structure no. 121020325602105

Built
1989
36 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
242 ft
1 main span
Daily traffic
56,989
2023 count
Owner
State
State Highway Agency

About this bridge

Bw 8 Wbml over Greens Bayou is a prestressed concrete stringer/multi-beam or girder carrying Bw 8 Wbml over Greens Bayou in Harris County, Texas. It was built in 1989, so it is 36 years old, younger 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.

It carries about 56,989 vehicles a day, roughly 9% of them trucks, projected to reach 79,785 by 2042. The structure is 242 ft (73.8 m) long and 72 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesBw 8 Wbml
CrossesGreens Bayou
Location.5 MI E of Aldine W Field
RouteState Highway 8
CountyHarris County
StateTexas
Coordinates29.93916, -95.34973
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum 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 typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length242 ft (73.8 m)
Longest span102 ft (31.1 m)
Deck width72 ft (21.8 m)
Roadway width69 ft (21 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic56,989 (2023)
Projected traffic79,785 by 2042
Trucks9%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Bw 8 Wbml over Greens Bayou built?

It was built in 1989, making it 36 years old in 2025.

What condition is Bw 8 Wbml over Greens 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 November 2024.

How much traffic does Bw 8 Wbml over Greens Bayou carry?

About 56,989 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Bw 8 Wbml over Greens Bayou?

The structure is 242 ft (73.8 m) long with a longest span of 102 ft (31.1 m) and a deck 72 ft wide.

Who owns Bw 8 Wbml over Greens Bayou?

It is owned by the State Highway Agency.