US Bridges

Bw 8 WB On-Ramp over IH 45 NB Off-Ramp

Fair

Harris County, Texas · 0.7 MI E of Greens Cross · Structure no. 121020011006150

Built
1989
36 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
558 ft
1 main span
Daily traffic
44,028
2009 count
Owner
State
State Highway Agency

About this bridge

Bw 8 WB On-Ramp over IH 45 NB Off-Ramp is a steel stringer/multi-beam or girder carrying Bw 8 WB On-Ramp over IH 45 NB Off-Ramp in Harris County, Texas. It was built in 1989, so it is 36 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 44,028 vehicles a day, roughly 3% of them trucks, projected to reach 83,500 by 2028. The structure is 558 ft (170 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesBw 8 WB On-Ramp
CrossesIH 45 NB Off-Ramp
Location0.7 MI E of Greens Cross
RouteState Highway 8
CountyHarris County
StateTexas
Coordinates29.94088, -95.41309
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+4 approach)
Design loadUnknown
Structure length558 ft (170 m)
Longest span127 ft (38.7 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck20 ft (6 m)

Traffic and service

Average daily traffic44,028 (2009)
Projected traffic83,500 by 2028
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a toll road
National Highway SystemNo

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 On-Ramp over IH 45 NB Off-Ramp built?

It was built in 1989, making it 36 years old in 2025.

What condition is Bw 8 WB On-Ramp over IH 45 NB Off-Ramp 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 September 2024.

How much traffic does Bw 8 WB On-Ramp over IH 45 NB Off-Ramp carry?

About 44,028 vehicles per day (2009 count), of which roughly 3% are trucks.

How long is Bw 8 WB On-Ramp over IH 45 NB Off-Ramp?

The structure is 558 ft (170 m) long with a longest span of 127 ft (38.7 m) and a deck 29 ft wide.

Who owns Bw 8 WB On-Ramp over IH 45 NB Off-Ramp?

It is owned by the State Highway Agency.