US Bridges

IH 45SB-BW8EB Conn over IH 45 & Bw 8

Good

Harris County, Texas · 1.80 MI NW of FM 1959 · Structure no. 121020050003346

Built
1996
29 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
3,926 ft
8 main spans
Daily traffic
5,596
2023 count
Owner
State
State Highway Agency

About this bridge

IH 45SB-BW8EB Conn over IH 45 & Bw 8 is a steel continuous stringer/multi-beam or girder carrying IH 45SB-BW8EB 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 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 5,596 vehicles a day, roughly 8% of them trucks, projected to reach 22,170 by 2033. The structure is 3,926 ft (1,196.6 m) long and 29 ft wide.

CarriesIH 45SB-BW8EB Conn
CrossesIH 45 & Bw 8
Location1.80 MI NW of FM 1959
RouteInterstate 45
StateTexas
Coordinates29.60707, -95.20546
Functional classUrban Principal Arterial - Interstate

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 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 alignment6: Equal to present minimum criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans8 (+22 approach)
Design loadHS 20
Structure length3,926 ft (1,196.6 m)
Longest span246 ft (75 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck21 ft (6.3 m)

Traffic and service

Average daily traffic5,596 (2023)
Projected traffic22,170 by 2033
Trucks8%
Lanes on structure1
Traffic directionOne-way traffic
CarriesFourth level (interchange)
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$255,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 45SB-BW8EB Conn over IH 45 & Bw 8 built?

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

What condition is IH 45SB-BW8EB Conn over IH 45 & Bw 8 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 October 2024.

How much traffic does IH 45SB-BW8EB Conn over IH 45 & Bw 8 carry?

About 5,596 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is IH 45SB-BW8EB Conn over IH 45 & Bw 8?

The structure is 3,926 ft (1,196.6 m) long with a longest span of 246 ft (75 m) and a deck 29 ft wide.

Who owns IH 45SB-BW8EB Conn over IH 45 & Bw 8?

It is owned by the State Highway Agency.