US Bridges

IH 45 Ml over Bw 8 Ebfr & Wbfr

Fair

Harris County, Texas · IH 45 Ml · Structure no. 121020011006092

Built
1971
54 years old, rebuilt 1995
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
540 ft
9 main spans
Daily traffic
235,527
2023 count
Owner
State
State Highway Agency

About this bridge

IH 45 Ml over Bw 8 Ebfr & Wbfr is a prestressed concrete stringer/multi-beam or girder carrying IH 45 Ml over Bw 8 Ebfr & Wbfr in Harris County, Texas. It was built in 1971 and reconstructed in 1995, so it is 54 years old, older 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 235,527 vehicles a day, roughly 6% of them trucks, projected to reach 329,738 by 2042. The structure is 540 ft (164.6 m) long and 176 ft wide.

CarriesIH 45 Ml
CrossesBw 8 Ebfr & Wbfr
LocationIH 45 Ml
RouteInterstate 45
StateTexas
Coordinates29.94025, -95.41383
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.
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 alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length540 ft (164.6 m)
Longest span60 ft (18.3 m)
Deck width176 ft (53.6 m)
Roadway width171 ft (52.1 m)
Vertical clearance over deck18 ft (5.4 m)

Traffic and service

Average daily traffic235,527 (2023)
Projected traffic329,738 by 2042
Trucks6%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesOverpass structure at an 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 45 Ml over Bw 8 Ebfr & Wbfr built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 1995.

What condition is IH 45 Ml over Bw 8 Ebfr & Wbfr 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 IH 45 Ml over Bw 8 Ebfr & Wbfr carry?

About 235,527 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is IH 45 Ml over Bw 8 Ebfr & Wbfr?

The structure is 540 ft (164.6 m) long with a longest span of 60 ft (18.3 m) and a deck 176 ft wide.

Who owns IH 45 Ml over Bw 8 Ebfr & Wbfr?

It is owned by the State Highway Agency.