US Bridges

Bw 8 NB over Westheimer Pkwy(fm 1093)

Fair

Harris County, Texas · 1.4 MI N of Westpark Toll · Structure no. 121020125804123

Built
1987
38 years old, rebuilt 2004
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
283 ft
1 main span
Daily traffic
15,000
2012 count
Owner
Toll Authority
Local Toll Authority

About this bridge

Bw 8 NB over Westheimer Pkwy(fm 1093) is a steel continuous stringer/multi-beam or girder carrying Bw 8 NB over Westheimer Pkwy(fm 1093) in Harris County, Texas. It was built in 1987 and reconstructed in 2004, so it is 38 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 15,000 vehicles a day, roughly 3% of them trucks, projected to reach 84,000 by 2032. The structure is 283 ft (86.3 m) long and 72 ft wide.

Location

Open in Google Maps
CarriesBw 8 NB
CrossesWestheimer Pkwy(fm 1093)
Location1.4 MI N of Westpark Toll
CountyHarris County
StateTexas
Coordinates29.73659, -95.55743
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 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 rating61 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length283 ft (86.3 m)
Longest span133 ft (40.5 m)
Deck width72 ft (21.9 m)
Roadway width69 ft (21 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,000 (2012)
Projected traffic84,000 by 2032
Trucks3%
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 NB over Westheimer Pkwy(fm 1093) built?

It was built in 1987, making it 38 years old in 2025. It was reconstructed in 2004.

What condition is Bw 8 NB over Westheimer Pkwy(fm 1093) in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does Bw 8 NB over Westheimer Pkwy(fm 1093) carry?

About 15,000 vehicles per day (2012 count), of which roughly 3% are trucks.

How long is Bw 8 NB over Westheimer Pkwy(fm 1093)?

The structure is 283 ft (86.3 m) long with a longest span of 133 ft (40.5 m) and a deck 72 ft wide.

Who owns Bw 8 NB over Westheimer Pkwy(fm 1093)?

It is owned by the Local Toll Authority.