US Bridges

US59 NB CON/BW8 EB over Bw 8 Ebfr

Good

Harris County, Texas · Bw 8/US 59 N Interchange · Structure no. 121020017707543

Built
2012
13 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Steel Continuous
Length
1,255 ft
2 main spans
Daily traffic
20,643
2021 count
Owner
State
State Highway Agency

About this bridge

US59 NB CON/BW8 EB over Bw 8 Ebfr is a steel continuous box beam or girders - multiple carrying US59 NB CON/BW8 EB over Bw 8 Ebfr 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 20,643 vehicles a day, roughly 3% of them trucks, projected to reach 30,964 by 2041. The structure is 1,255 ft (382.5 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS59 NB CON/BW8 EB
CrossesBw 8 Ebfr
LocationBw 8/US 59 N Interchange
RouteInterstate 59
StateTexas
Coordinates29.93918, -95.29467
Functional classUrban Principal Arterial - Interstate

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 geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+9 approach)
Design loadHL 93
Structure length1,255 ft (382.5 m)
Longest span182 ft (55.5 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,643 (2021)
Projected traffic30,964 by 2041
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed3.1 mi (5 km)
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US59 NB CON/BW8 EB over Bw 8 Ebfr built?

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

What condition is US59 NB CON/BW8 EB over Bw 8 Ebfr 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 US59 NB CON/BW8 EB over Bw 8 Ebfr carry?

About 20,643 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is US59 NB CON/BW8 EB over Bw 8 Ebfr?

The structure is 1,255 ft (382.5 m) long with a longest span of 182 ft (55.5 m) and a deck 29 ft wide.

Who owns US59 NB CON/BW8 EB over Bw 8 Ebfr?

It is owned by the State Highway Agency.