US Bridges

Bw 8 EB to US59 NB over US 59 & Bw 8

Fair

Harris County, Texas · Bwy 8/US59 N Interchange · Structure no. 121020017707386

Built
2002
23 years old
Condition
Fair
inspected October 2024
Type
Other
Steel Continuous
Length
4,361 ft
9 main spans
Daily traffic
8,754
2021 count
Owner
State
State Highway Agency

About this bridge

Bw 8 EB to US59 NB over US 59 & Bw 8 is a steel continuous other carrying Bw 8 EB to US59 NB over US 59 & Bw 8 in Harris County, Texas. It was built in 2002, 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 8,754 vehicles a day, roughly 3% of them trucks, projected to reach 13,131 by 2041. The structure is 4,361 ft (1,329.2 m) long and 29 ft wide.

CarriesBw 8 EB to US59 NB
CrossesUS 59 & Bw 8
LocationBwy 8/US59 N Interchange
RouteU.S. Route 59
StateTexas
Coordinates29.93964, -95.30105
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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating36 US tons

Structure

Structure typeOther
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans9 (+23 approach)
Design loadHS 20
Structure length4,361 ft (1,329.2 m)
Longest span289 ft (88.1 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,754 (2021)
Projected traffic13,131 by 2041
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesFourth 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 Bw 8 EB to US59 NB over US 59 & Bw 8 built?

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

What condition is Bw 8 EB to US59 NB over US 59 & Bw 8 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 EB to US59 NB over US 59 & Bw 8 carry?

About 8,754 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Bw 8 EB to US59 NB over US 59 & Bw 8?

The structure is 4,361 ft (1,329.2 m) long with a longest span of 289 ft (88.1 m) and a deck 29 ft wide.

Who owns Bw 8 EB to US59 NB over US 59 & Bw 8?

It is owned by the State Highway Agency.