US Bridges

Bw 8 WB over US 59 UPRR Old Humble RD

Fair

Harris County, Texas · Bwy 8/US59 N Interchange · Structure no. 121020325602388

Built
2002
23 years old, rebuilt 2013
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
4,962 ft
45 main spans
Daily traffic
60,657
2021 count
Owner
State
State Highway Agency

About this bridge

Bw 8 WB over US 59 UPRR Old Humble RD is a prestressed concrete stringer/multi-beam or girder carrying Bw 8 WB over US 59 UPRR Old Humble RD in Harris County, Texas. It was built in 2002 and reconstructed in 2013, so it is 23 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 60,657 vehicles a day, roughly 9% of them trucks, projected to reach 63,422 by 2041. The structure is 4,962 ft (1,512.4 m) long and 43 ft wide.

CarriesBw 8 WB
CrossesUS 59 UPRR Old Humble RD
LocationBwy 8/US59 N Interchange
RouteState Highway 8
StateTexas
Coordinates29.94023, -95.2939
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans45
Design loadHS 20
Structure length4,962 ft (1,512.4 m)
Longest span133 ft (40.5 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deck22 ft (6.7 m)

Traffic and service

Average daily traffic60,657 (2021)
Projected traffic63,422 by 2041
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesThird level (interchange)
CrossesHighway and railroad
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 Bw 8 WB over US 59 UPRR Old Humble RD built?

It was built in 2002, making it 23 years old in 2025. It was reconstructed in 2013.

What condition is Bw 8 WB over US 59 UPRR Old Humble RD in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does Bw 8 WB over US 59 UPRR Old Humble RD carry?

About 60,657 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is Bw 8 WB over US 59 UPRR Old Humble RD?

The structure is 4,962 ft (1,512.4 m) long with a longest span of 133 ft (40.5 m) and a deck 43 ft wide.

Who owns Bw 8 WB over US 59 UPRR Old Humble RD?

It is owned by the State Highway Agency.