US Bridges

Bw 8 SB over Kempwood Drive

Good

Harris County, Texas · 3.75 MI S of US 290 · Structure no. 121020325601170

Built
1990
35 years old, rebuilt 2004
Condition
Good
inspected December 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
264 ft
1 main span
Daily traffic
43,500
2011 count
Owner
Toll Authority
Local Toll Authority

About this bridge

Bw 8 SB over Kempwood Drive is a prestressed concrete stringer/multi-beam or girder carrying Bw 8 SB over Kempwood Drive in Harris County, Texas. It was built in 1990 and reconstructed in 2004, so it is 35 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 43,500 vehicles a day, roughly 7% of them trucks, projected to reach 65,000 by 2031. The structure is 264 ft (80.5 m) long and 72 ft wide.

CarriesBw 8 SB
CrossesKempwood Drive
Location3.75 MI S of US 290
StateTexas
Coordinates29.82274, -95.56385
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.
Last inspectionDecember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than 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 (+2 approach)
Design loadHS 20
Structure length264 ft (80.5 m)
Longest span116 ft (35.4 m)
Deck width72 ft (21.8 m)
Roadway width69 ft (20.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic43,500 (2011)
Projected traffic65,000 by 2031
Trucks7%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerLocal Toll Authority
Maintained byLocal Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Bw 8 SB over Kempwood Drive built?

It was built in 1990, making it 35 years old in 2025. It was reconstructed in 2004.

What condition is Bw 8 SB over Kempwood Drive 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 2022.

How much traffic does Bw 8 SB over Kempwood Drive carry?

About 43,500 vehicles per day (2011 count), of which roughly 7% are trucks.

How long is Bw 8 SB over Kempwood Drive?

The structure is 264 ft (80.5 m) long with a longest span of 116 ft (35.4 m) and a deck 72 ft wide.

Who owns Bw 8 SB over Kempwood Drive?

It is owned by the Local Toll Authority.