US Bridges

Bw 8 EB Off-Ramp over Bw 8 WB to IH 45 SB

Fair

Harris County, Texas · IH 45 & Bw 8 Interchange · Structure no. 121020325602147

Built
1989
36 years old
Condition
Fair
inspected September 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
366 ft
3 main spans
Daily traffic
9,076
2019 count
Owner
State
State Highway Agency

About this bridge

Bw 8 EB Off-Ramp over Bw 8 WB to IH 45 SB is a prestressed concrete stringer/multi-beam or girder carrying Bw 8 EB Off-Ramp over Bw 8 WB to IH 45 SB 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 9,076 vehicles a day, projected to reach 34,360 by 2028. The structure is 366 ft (111.6 m) long and 29 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesBw 8 EB Off-Ramp
CrossesBw 8 WB to IH 45 SB
LocationIH 45 & Bw 8 Interchange
RouteState Highway 8
CountyHarris County
StateTexas
Coordinates29.94026, -95.41179
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 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20
Structure length366 ft (111.6 m)
Longest span85 ft (25.9 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck16 ft (4.8 m)

Traffic and service

Average daily traffic9,076 (2019)
Projected traffic34,360 by 2028
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 km)
TollOn a free 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 EB Off-Ramp over Bw 8 WB to IH 45 SB built?

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

What condition is Bw 8 EB Off-Ramp over Bw 8 WB to IH 45 SB 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 2022.

How much traffic does Bw 8 EB Off-Ramp over Bw 8 WB to IH 45 SB carry?

About 9,076 vehicles per day (2019 count).

How long is Bw 8 EB Off-Ramp over Bw 8 WB to IH 45 SB?

The structure is 366 ft (111.6 m) long with a longest span of 85 ft (25.9 m) and a deck 29 ft wide.

Who owns Bw 8 EB Off-Ramp over Bw 8 WB to IH 45 SB?

It is owned by the State Highway Agency.