US Bridges

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

Good

Harris County, Texas · Bwy 8 /US59 N Interchang · Structure no. 121020017707394

Built
2004
21 years old
Condition
Good
inspected October 2024
Type
Other
Steel Continuous
Length
3,906 ft
7 main spans
Daily traffic
5,505
2021 count
Owner
State
State Highway Agency

About this bridge

US 59 NB to BW8 WB over US 59 & Bw 8 is a steel continuous other carrying US 59 NB to BW8 WB over US 59 & Bw 8 in Harris County, Texas. It was built in 2004, so it is 21 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 5,505 vehicles a day, roughly 3% of them trucks, projected to reach 8,258 by 2041. The structure is 3,906 ft (1,190.5 m) long and 29 ft wide.

CarriesUS 59 NB to BW8 WB
CrossesUS 59 & Bw 8
LocationBwy 8 /US59 N Interchang
RouteU.S. Route 59
StateTexas
Coordinates29.93519, -95.29737
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 inspectionOctober 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 rating60 US tons
Inventory rating36 US tons

Structure

Structure typeOther
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7 (+25 approach)
Design loadHS 20
Structure length3,906 ft (1,190.5 m)
Longest span219 ft (66.8 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deck17 ft (5.3 m)

Traffic and service

Average daily traffic5,505 (2021)
Projected traffic8,258 by 2041
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesThird level (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 US 59 NB to BW8 WB over US 59 & Bw 8 built?

It was built in 2004, making it 21 years old in 2025.

What condition is US 59 NB to BW8 WB over US 59 & Bw 8 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 US 59 NB to BW8 WB over US 59 & Bw 8 carry?

About 5,505 vehicles per day (2021 count), of which roughly 3% are trucks.

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

The structure is 3,906 ft (1,190.5 m) long with a longest span of 219 ft (66.8 m) and a deck 29 ft wide.

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

It is owned by the State Highway Agency.