US Bridges

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

Fair

Harris County, Texas · IH 45 & Bw 8 Interchange · Structure no. 121020325602383

Built
2003
22 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Steel Continuous
Length
1,991 ft
12 main spans
Daily traffic
20,784
2019 count
Owner
State
State Highway Agency

About this bridge

Bw 8 WB to IH45 NB over Bw 8 Wbfr & IH 45 Nbfr is a steel continuous box beam or girders - multiple carrying Bw 8 WB to IH45 NB over Bw 8 Wbfr & IH 45 Nbfr in Harris County, Texas. It was built in 2003, so it is 22 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 20,784 vehicles a day, projected to reach 12,000 by 2028. The structure is 1,991 ft (606.9 m) long and 37 ft wide.

Location

Open in Google Maps
CarriesBw 8 WB to IH45 NB
CrossesBw 8 Wbfr & IH 45 Nbfr
LocationIH 45 & Bw 8 Interchange
RouteState Highway 8
CountyHarris County
StateTexas
Coordinates29.94129, -95.41259
Functional classUrban Principal Arterial - Interstate

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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating48.9 US tons
Inventory rating36 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans12
Design loadHS 20
Structure length1,991 ft (606.9 m)
Longest span184 ft (56.1 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,784 (2019)
Projected traffic12,000 by 2028
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an 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 WB to IH45 NB over Bw 8 Wbfr & IH 45 Nbfr built?

It was built in 2003, making it 22 years old in 2025.

What condition is Bw 8 WB to IH45 NB over Bw 8 Wbfr & IH 45 Nbfr 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 to IH45 NB over Bw 8 Wbfr & IH 45 Nbfr carry?

About 20,784 vehicles per day (2019 count).

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

The structure is 1,991 ft (606.9 m) long with a longest span of 184 ft (56.1 m) and a deck 37 ft wide.

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

It is owned by the State Highway Agency.