US Bridges

Bw 8 Wbml over Drainage Ditch

Good

Harris County, Texas · .5MI E of Imperial Valley · Structure no. 121020325602094

Built
1986
39 years old
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
100 ft
1 main span
Daily traffic
83,757
2023 count
Owner
State
State Highway Agency

About this bridge

Bw 8 Wbml over Drainage Ditch is a prestressed concrete box beam or girders - multiple carrying Bw 8 Wbml over Drainage Ditch in Harris County, Texas. It was built in 1986, so it is 39 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 83,757 vehicles a day, roughly 8% of them trucks, projected to reach 117,259 by 2042. The structure is 100 ft (30.5 m) long and 51 ft wide.

CarriesBw 8 Wbml
CrossesDrainage Ditch
Location.5MI E of Imperial Valley
RouteState Highway 8
StateTexas
Coordinates29.93873, -95.39017
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span100 ft (30.5 m)
Deck width51 ft (15.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic83,757 (2023)
Projected traffic117,259 by 2042
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Drainage Ditch built?

It was built in 1986, making it 39 years old in 2025.

What condition is Bw 8 Wbml over Drainage Ditch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does Bw 8 Wbml over Drainage Ditch carry?

About 83,757 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Bw 8 Wbml over Drainage Ditch?

The structure is 100 ft (30.5 m) long with a longest span of 100 ft (30.5 m) and a deck 51 ft wide.

Who owns Bw 8 Wbml over Drainage Ditch?

It is owned by the State Highway Agency.