US Bridges

BW8 WB to IH45 NB over IH 45 Nbfr & Bw 8 Wbfr

Good

Harris County, Texas · 1.80 MI NW of FM 1959 · Structure no. 121020325603345

Built
1996
29 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,374 ft
6 main spans
Daily traffic
33,678
2023 count
Owner
State
State Highway Agency

About this bridge

BW8 WB to IH45 NB over IH 45 Nbfr & Bw 8 Wbfr is a steel continuous stringer/multi-beam or girder carrying BW8 WB to IH45 NB over IH 45 Nbfr & Bw 8 Wbfr in Harris County, Texas. It was built in 1996, so it is 29 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 33,678 vehicles a day, roughly 9% of them trucks, projected to reach 42,098 by 2042. The structure is 1,374 ft (418.8 m) long and 29 ft wide.

CarriesBW8 WB to IH45 NB
CrossesIH 45 Nbfr & Bw 8 Wbfr
Location1.80 MI NW of FM 1959
StateTexas
Coordinates29.60833, -95.20488
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6 (+2 approach)
Design loadHS 20
Structure length1,374 ft (418.8 m)
Longest span210 ft (64 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,678 (2023)
Projected traffic42,098 by 2042
Trucks9%
Lanes on structure1
Traffic directionOne-way traffic
CarriesThird 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 BW8 WB to IH45 NB over IH 45 Nbfr & Bw 8 Wbfr built?

It was built in 1996, making it 29 years old in 2025.

What condition is BW8 WB to IH45 NB over IH 45 Nbfr & Bw 8 Wbfr 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 2024.

How much traffic does BW8 WB to IH45 NB over IH 45 Nbfr & Bw 8 Wbfr carry?

About 33,678 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is BW8 WB to IH45 NB over IH 45 Nbfr & Bw 8 Wbfr?

The structure is 1,374 ft (418.8 m) long with a longest span of 210 ft (64 m) and a deck 29 ft wide.

Who owns BW8 WB to IH45 NB over IH 45 Nbfr & Bw 8 Wbfr?

It is owned by the State Highway Agency.