US Bridges

IH 610 Wbml over Willow Waterhole Bayou

Good

Harris County, Texas · 1.6 MI W of US 90A · Structure no. 121020027116479

Built
1971
54 years old, rebuilt 1990
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
106 ft
3 main spans
Daily traffic
68,579
2019 count
Owner
State
State Highway Agency

About this bridge

IH 610 Wbml over Willow Waterhole Bayou is a prestressed concrete stringer/multi-beam or girder carrying IH 610 Wbml over Willow Waterhole Bayou in Harris County, Texas. It was built in 1971 and reconstructed in 1990, 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 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 68,579 vehicles a day, roughly 6% of them trucks, projected to reach 98,470 by 2033. The structure is 106 ft (32.3 m) long and 93 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 610 Wbml
CrossesWillow Waterhole Bayou
Location1.6 MI W of US 90A
RouteInterstate 610
StateTexas
Coordinates29.67936, -95.45337
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length106 ft (32.3 m)
Longest span40 ft (12.2 m)
Deck width93 ft (28.3 m)
Roadway width90 ft (27.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic68,579 (2019)
Projected traffic98,470 by 2033
Trucks6%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$133,000
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 610 Wbml over Willow Waterhole Bayou built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 1990.

What condition is IH 610 Wbml over Willow Waterhole Bayou 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 August 2024.

How much traffic does IH 610 Wbml over Willow Waterhole Bayou carry?

About 68,579 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is IH 610 Wbml over Willow Waterhole Bayou?

The structure is 106 ft (32.3 m) long with a longest span of 40 ft (12.2 m) and a deck 93 ft wide.

Who owns IH 610 Wbml over Willow Waterhole Bayou?

It is owned by the State Highway Agency.