US Bridges

IH 45 Hov over IH 45

Fair

Harris County, Texas · 0.50 MI NW of Bw 8 · Structure no. 121020050003310

Built
1998
27 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
1,690 ft
3 main spans
Daily traffic
20,527
2023 count
Owner
State
State Highway Agency

About this bridge

IH 45 Hov over IH 45 is a steel stringer/multi-beam or girder carrying IH 45 Hov over IH 45 in Harris County, Texas. It was built in 1998, so it is 27 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 20,527 vehicles a day, roughly 6% of them trucks, projected to reach 28,738 by 2042. The structure is 1,690 ft (515.1 m) long and 23 ft wide.

CarriesIH 45 Hov
CrossesIH 45
Location0.50 MI NW of Bw 8
RouteInterstate 45
StateTexas
Coordinates29.61108, -95.21052
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.
Superstructure8 Very GoodNo problems noted.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3 (+21 approach)
Design loadHS 20
Structure length1,690 ft (515.1 m)
Longest span98 ft (29.9 m)
Deck width23 ft (7.1 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,527 (2023)
Projected traffic28,738 by 2042
Trucks6%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a toll 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 Hov over IH 45 built?

It was built in 1998, making it 27 years old in 2025.

What condition is IH 45 Hov over 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 October 2024.

How much traffic does IH 45 Hov over IH 45 carry?

About 20,527 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is IH 45 Hov over IH 45?

The structure is 1,690 ft (515.1 m) long with a longest span of 98 ft (29.9 m) and a deck 23 ft wide.

Who owns IH 45 Hov over IH 45?

It is owned by the State Highway Agency.