US Bridges

BW8 WB to US 59 NB over US 59 NB FR & Bw 8 WB FR

Good

Harris County, Texas · BW8/US59 N Interchange · Structure no. 121020325602492

Built
2012
13 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
958 ft
10 main spans
Daily traffic
6,300
2021 count
Owner
State
State Highway Agency

About this bridge

BW8 WB to US 59 NB over US 59 NB FR & Bw 8 WB FR is a prestressed concrete stringer/multi-beam or girder carrying BW8 WB to US 59 NB over US 59 NB FR & Bw 8 WB FR in Harris County, Texas. It was built in 2012, so it is 13 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 6,300 vehicles a day, roughly 3% of them trucks, projected to reach 9,450 by 2041. The structure is 958 ft (292 m) long and 29 ft wide.

CarriesBW8 WB to US 59 NB
CrossesUS 59 NB FR & Bw 8 WB FR
LocationBW8/US59 N Interchange
RouteInterstate 59
StateTexas
Coordinates29.94131, -95.29379
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal 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 spans10
Design loadHL 93
Structure length958 ft (292 m)
Longest span100 ft (30.5 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,300 (2021)
Projected traffic9,450 by 2041
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was BW8 WB to US 59 NB over US 59 NB FR & Bw 8 WB FR built?

It was built in 2012, making it 13 years old in 2025.

What condition is BW8 WB to US 59 NB over US 59 NB FR & Bw 8 WB FR 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 October 2024.

How much traffic does BW8 WB to US 59 NB over US 59 NB FR & Bw 8 WB FR carry?

About 6,300 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is BW8 WB to US 59 NB over US 59 NB FR & Bw 8 WB FR?

The structure is 958 ft (292 m) long with a longest span of 100 ft (30.5 m) and a deck 29 ft wide.

Who owns BW8 WB to US 59 NB over US 59 NB FR & Bw 8 WB FR?

It is owned by the State Highway Agency.