US Bridges

Bw 8 Wbml over Greens Bayou

Fair

Harris County, Texas · 0.4 MI E of Aldine-West · Structure no. 121020325602236

Built
1989
36 years old, rebuilt 2004
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
338 ft
3 main spans
Daily traffic
45,260
2010 count
Owner
Toll Authority
Local Toll Authority

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 and reconstructed in 2004, 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 45,260 vehicles a day, roughly 3% of them trucks, projected to reach 84,880 by 2030. The structure is 338 ft (103 m) long and 72 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesBw 8 Wbml
CrossesGreens Bayou
Location0.4 MI E of Aldine-West
CountyHarris County
StateTexas
Coordinates29.93793, -95.45091
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 spans3
Design loadHS 20
Structure length338 ft (103 m)
Longest span113 ft (34.4 m)
Deck width72 ft (21.8 m)
Roadway width69 ft (21 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45,260 (2010)
Projected traffic84,880 by 2030
Trucks3%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerLocal Toll Authority
Maintained byLocal Toll Authority
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. It was reconstructed in 2004.

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 45,260 vehicles per day (2010 count), of which roughly 3% are trucks.

How long is Bw 8 Wbml over Greens Bayou?

The structure is 338 ft (103 m) long with a longest span of 113 ft (34.4 m) and a deck 72 ft wide.

Who owns Bw 8 Wbml over Greens Bayou?

It is owned by the Local Toll Authority.