US Bridges

Bw 8 over Drainage Ditch

Good

Harris County, Texas · 0.50 MI N of IH 10 · Structure no. 121020325603053

Built
1988
37 years old, rebuilt 1994
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
43 ft
4 main spans
Daily traffic
103,588
2023 count
Owner
State
State Highway Agency

About this bridge

Bw 8 over Drainage Ditch is a concrete culvert carrying Bw 8 over Drainage Ditch in Harris County, Texas. It was built in 1988 and reconstructed in 1994, so it is 37 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 103,588 vehicles a day, roughly 10% of them trucks, projected to reach 145,023 by 2042. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBw 8
CrossesDrainage Ditch
Location0.50 MI N of IH 10
RouteState Highway 8
StateTexas
Coordinates29.77819, -95.15822
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic103,588 (2023)
Projected traffic145,023 by 2042
Trucks10%
Lanes on structure16
Traffic directionTwo-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 over Drainage Ditch built?

It was built in 1988, making it 37 years old in 2025. It was reconstructed in 1994.

What condition is Bw 8 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 December 2024.

How much traffic does Bw 8 over Drainage Ditch carry?

About 103,588 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Bw 8 over Drainage Ditch?

The structure is 43 ft (13.1 m) long with a longest span of 8 ft (2.4 m).

Who owns Bw 8 over Drainage Ditch?

It is owned by the State Highway Agency.