US Bridges

Bw 8 Eb/Ih 45 NB over Bw 8 & IH 45

Fair

Harris County, Texas · IH 45 & Bw 8 Interchange · Structure no. 121020011006291

Built
1997
28 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Steel Continuous
Length
6,892 ft
3 main spans
Daily traffic
13,124
2023 count
Owner
State
State Highway Agency

About this bridge

Bw 8 Eb/Ih 45 NB over Bw 8 & IH 45 is a steel continuous box beam or girders - multiple carrying Bw 8 Eb/Ih 45 NB over Bw 8 & 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 fair condition with a lowest component rating of 5 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 13,124 vehicles a day, roughly 3% of them trucks, projected to reach 18,792 by 2041. The structure is 6,892 ft (2,100.7 m) long and 41 ft wide.

Location

Open in Google Maps
CarriesBw 8 Eb/Ih 45 NB
CrossesBw 8 & IH 45
LocationIH 45 & Bw 8 Interchange
RouteInterstate 8
CountyHarris County
StateTexas
Coordinates29.94041, -95.41649
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating36 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+48 approach)
Design loadHS 20
Structure length6,892 ft (2,100.7 m)
Longest span286 ft (87.2 m)
Deck width41 ft (12.4 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,124 (2023)
Projected traffic18,792 by 2041
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesFourth level (interchange)
CrossesHighway
Detour if closed—
TollOn a toll 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 Eb/Ih 45 NB over Bw 8 & IH 45 built?

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

What condition is Bw 8 Eb/Ih 45 NB over Bw 8 & IH 45 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 Eb/Ih 45 NB over Bw 8 & IH 45 carry?

About 13,124 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Bw 8 Eb/Ih 45 NB over Bw 8 & IH 45?

The structure is 6,892 ft (2,100.7 m) long with a longest span of 286 ft (87.2 m) and a deck 41 ft wide.

Who owns Bw 8 Eb/Ih 45 NB over Bw 8 & IH 45?

It is owned by the State Highway Agency.