US Bridges

US 59 SB to BW8 WB over Bw 8 Wbfr & US 59 Sbfr

Good

Harris County, Texas · Bwy 8 / US59 N Interchang · Structure no. 121020017707398

Built
2004
21 years old
Condition
Good
inspected October 2024
Type
Other
Steel Continuous
Length
1,227 ft
6 main spans
Daily traffic
38,199
2023 count
Owner
State
State Highway Agency

About this bridge

US 59 SB to BW8 WB over Bw 8 Wbfr & US 59 Sbfr is a steel continuous other carrying US 59 SB to BW8 WB over Bw 8 Wbfr & US 59 Sbfr 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 38,199 vehicles a day, roughly 3% of them trucks, projected to reach 21,054 by 2041. The structure is 1,227 ft (374 m) long and 29 ft wide.

CarriesUS 59 SB to BW8 WB
CrossesBw 8 Wbfr & US 59 Sbfr
LocationBwy 8 / US59 N Interchang
RouteU.S. Route 59
StateTexas
Coordinates29.94109, -95.29639
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 alignment6: Equal to present minimum criteria
Operating rating48.9 US tons
Inventory rating36 US tons

Structure

Structure typeOther
MaterialSteel Continuous
DeckCorrugated steel
Main spans6
Design loadHS 20
Structure length1,227 ft (374 m)
Longest span217 ft (66.1 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38,199 (2023)
Projected traffic21,054 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
Strategic Highway NetworkInterstate STRAHNET route

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 SB to BW8 WB over Bw 8 Wbfr & US 59 Sbfr built?

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

What condition is US 59 SB to BW8 WB over Bw 8 Wbfr & US 59 Sbfr 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 SB to BW8 WB over Bw 8 Wbfr & US 59 Sbfr carry?

About 38,199 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is US 59 SB to BW8 WB over Bw 8 Wbfr & US 59 Sbfr?

The structure is 1,227 ft (374 m) long with a longest span of 217 ft (66.1 m) and a deck 29 ft wide.

Who owns US 59 SB to BW8 WB over Bw 8 Wbfr & US 59 Sbfr?

It is owned by the State Highway Agency.