US Bridges

Bw 8 Sbml over White Oak Bayou

Good

Harris County, Texas · 0.90 MI N of US 290 · Structure no. 121020325601183

Built
1990
35 years old, rebuilt 2007
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
180 ft
3 main spans
Daily traffic
13,000
2010 count
Owner
Toll Authority
Local Toll Authority

About this bridge

Bw 8 Sbml over White Oak Bayou is a prestressed concrete stringer/multi-beam or girder carrying Bw 8 Sbml over White Oak Bayou in Harris County, Texas. It was built in 1990 and reconstructed in 2007, 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 13,000 vehicles a day, roughly 7% of them trucks, projected to reach 23,950 by 2030. The structure is 180 ft (54.9 m) long and 72 ft wide.

CarriesBw 8 Sbml
CrossesWhite Oak Bayou
Location0.90 MI N of US 290
StateTexas
Coordinates29.8841, -95.54902
Functional classUrban Other Principal Arterial

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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable 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 spans3
Design loadHS 20
Structure length180 ft (54.9 m)
Longest span60 ft (18.3 m)
Deck width72 ft (21.9 m)
Roadway width70 ft (21.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,000 (2010)
Projected traffic23,950 by 2030
Trucks7%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Bw 8 Sbml over White Oak Bayou built?

It was built in 1990, making it 35 years old in 2025. It was reconstructed in 2007.

What condition is Bw 8 Sbml over White Oak Bayou 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 November 2024.

How much traffic does Bw 8 Sbml over White Oak Bayou carry?

About 13,000 vehicles per day (2010 count), of which roughly 7% are trucks.

How long is Bw 8 Sbml over White Oak Bayou?

The structure is 180 ft (54.9 m) long with a longest span of 60 ft (18.3 m) and a deck 72 ft wide.

Who owns Bw 8 Sbml over White Oak Bayou?

It is owned by the Local Toll Authority.