US Bridges

Bw 8 & Forbes RD over Drainage Ditch

Good

Harris County, Texas · 0.40 MI W of SH 35 · Structure no. 121020325604374

Built
1995
30 years old, rebuilt 2023
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
102,959
2023 count
Owner
State
State Highway Agency

About this bridge

Bw 8 & Forbes RD over Drainage Ditch is a concrete culvert carrying Bw 8 & Forbes RD over Drainage Ditch in Harris County, Texas. It was built in 1995 and reconstructed in 2023, so it is 30 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 102,959 vehicles a day, roughly 9% of them trucks, projected to reach 152,379 by 2042. The structure is 33 ft (10.1 m) long and 478 ft wide.

CarriesBw 8 & Forbes RD
CrossesDrainage Ditch
Location0.40 MI W of SH 35
StateTexas
Coordinates29.60047, -95.29819
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span9 ft (2.7 m)
Deck width478 ft (145.7 m)
Roadway width255 ft (77.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic102,959 (2023)
Projected traffic152,379 by 2042
Trucks9%
Lanes on structure16
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a toll 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 & Forbes RD over Drainage Ditch built?

It was built in 1995, making it 30 years old in 2025. It was reconstructed in 2023.

What condition is Bw 8 & Forbes RD 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 & Forbes RD over Drainage Ditch carry?

About 102,959 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Bw 8 & Forbes RD over Drainage Ditch?

The structure is 33 ft (10.1 m) long with a longest span of 9 ft (2.7 m) and a deck 478 ft wide.

Who owns Bw 8 & Forbes RD over Drainage Ditch?

It is owned by the State Highway Agency.