US Bridges

Bw 8 SB FR over Drainage Ditch

Good

Harris County, Texas · 0.4 MI S of Old US 90 · Structure no. 121020325603061

Built
1989
36 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
54,112
2020 count
Owner
State
State Highway Agency

About this bridge

Bw 8 SB FR over Drainage Ditch is a concrete culvert carrying Bw 8 SB FR over Drainage Ditch 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 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 54,112 vehicles a day, roughly 4% of them trucks, projected to reach 72,980 by 2028. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBw 8 SB FR
CrossesDrainage Ditch
Location0.4 MI S of Old US 90
RouteState Highway 8
StateTexas
Coordinates29.83787, -95.1821
Functional classUrban Collector

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 inspectionAugust 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic54,112 (2020)
Projected traffic72,980 by 2028
Trucks4%
Lanes on structure6
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 SB FR over Drainage Ditch built?

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

What condition is Bw 8 SB FR 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 August 2024.

How much traffic does Bw 8 SB FR over Drainage Ditch carry?

About 54,112 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Bw 8 SB FR over Drainage Ditch?

The structure is 26 ft (7.9 m) long with a longest span of 7 ft (2.1 m).

Who owns Bw 8 SB FR over Drainage Ditch?

It is owned by the State Highway Agency.