US Bridges

Bw 8WB-IH45SB Conn over IH 45 & Bw 8

Fair

Harris County, Texas · 1.80 MI NW of FM 1959 · Structure no. 121020325603348

Built
1996
29 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
3,921 ft
8 main spans
Daily traffic
20,321
2023 count
Owner
State
State Highway Agency

About this bridge

Bw 8WB-IH45SB Conn over IH 45 & Bw 8 is a steel continuous stringer/multi-beam or girder carrying Bw 8WB-IH45SB Conn over IH 45 & Bw 8 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 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 20,321 vehicles a day, roughly 3% of them trucks, projected to reach 23,000 by 2042. The structure is 3,921 ft (1,195.1 m) long and 29 ft wide.

CarriesBw 8WB-IH45SB Conn
CrossesIH 45 & Bw 8
Location1.80 MI NW of FM 1959
StateTexas
Coordinates29.60833, -95.20574
Functional classUrban Other Principal Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans8 (+24 approach)
Design loadHS 20
Structure length3,921 ft (1,195.1 m)
Longest span255 ft (77.7 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,321 (2023)
Projected traffic23,000 by 2042
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesFourth 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 Bw 8WB-IH45SB Conn over IH 45 & Bw 8 built?

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

What condition is Bw 8WB-IH45SB Conn over IH 45 & Bw 8 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 October 2024.

How much traffic does Bw 8WB-IH45SB Conn over IH 45 & Bw 8 carry?

About 20,321 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Bw 8WB-IH45SB Conn over IH 45 & Bw 8?

The structure is 3,921 ft (1,195.1 m) long with a longest span of 255 ft (77.7 m) and a deck 29 ft wide.

Who owns Bw 8WB-IH45SB Conn over IH 45 & Bw 8?

It is owned by the State Highway Agency.