US Bridges

Bw 8 Wbfr over Greens Bayou

Fair

Harris County, Texas · 1.9 MI E of Antoine · Structure no. 121020325602102

Built
1989
36 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
300 ft
5 main spans
Daily traffic
27,242
2023 count
Owner
State
State Highway Agency

About this bridge

Bw 8 Wbfr over Greens Bayou is a prestressed concrete stringer/multi-beam or girder carrying Bw 8 Wbfr 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 27,242 vehicles a day, roughly 9% of them trucks, projected to reach 38,139 by 2042. The structure is 300 ft (91.4 m) long and 46 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesBw 8 Wbfr
CrossesGreens Bayou
Location1.9 MI E of Antoine
RouteState Highway 8
CountyHarris County
StateTexas
Coordinates29.93819, -95.45049
Functional classUrban Other Principal Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum 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 spans5
Design loadHS 20
Structure length300 ft (91.4 m)
Longest span60 ft (18.3 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,242 (2023)
Projected traffic38,139 by 2042
Trucks9%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Wbfr over Greens Bayou built?

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

What condition is Bw 8 Wbfr 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 Wbfr over Greens Bayou carry?

About 27,242 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Bw 8 Wbfr over Greens Bayou?

The structure is 300 ft (91.4 m) long with a longest span of 60 ft (18.3 m) and a deck 46 ft wide.

Who owns Bw 8 Wbfr over Greens Bayou?

It is owned by the State Highway Agency.