US Bridges

Bw 8 Wbml over IH 45

Good

Harris County, Texas · Jct. Bw 8 & IH 45 South · Structure no. 121020050003365

Built
1997
28 years old
Condition
Good
inspected November 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
2,025 ft
19 main spans
Daily traffic
18,985
2012 count
Owner
State
State Highway Agency

About this bridge

Bw 8 Wbml over IH 45 is a prestressed concrete stringer/multi-beam or girder carrying Bw 8 Wbml over IH 45 in Harris County, Texas. It was built in 1997, so it is 28 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 18,985 vehicles a day, roughly 4% of them trucks, projected to reach 36,480 by 2032. The structure is 2,025 ft (617.2 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesBw 8 Wbml
CrossesIH 45
LocationJct. Bw 8 & IH 45 South
CountyHarris County
StateTexas
Coordinates29.60848, -95.20302
Functional classUrban Other Principal Arterial

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 inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
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, precast panels
Main spans19
Design loadHS 20
Structure length2,025 ft (617.2 m)
Longest span120 ft (36.6 m)
Deck width59 ft (18.1 m)
Roadway width57 ft (17.3 m)
Vertical clearance over deck21 ft (6.3 m)

Traffic and service

Average daily traffic18,985 (2012)
Projected traffic36,480 by 2032
Trucks4%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byLocal Toll Authority
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 Wbml over IH 45 built?

It was built in 1997, making it 28 years old in 2025.

What condition is Bw 8 Wbml over IH 45 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 November 2022.

How much traffic does Bw 8 Wbml over IH 45 carry?

About 18,985 vehicles per day (2012 count), of which roughly 4% are trucks.

How long is Bw 8 Wbml over IH 45?

The structure is 2,025 ft (617.2 m) long with a longest span of 120 ft (36.6 m) and a deck 59 ft wide.

Who owns Bw 8 Wbml over IH 45?

It is owned by the State Highway Agency and maintained by the Local Toll Authority.