US Bridges

IH 610 WB over Greenwillow DR

Fair

Harris County, Texas · 1.3 MI W of US 90 a · Structure no. 121020027116478

Built
1964
61 years old, rebuilt 1992
Condition
Fair
inspected August 2022
Type
Slab
Concrete Continuous
Length
100 ft
2 main spans
Daily traffic
68,579
2019 count
Owner
State
State Highway Agency

About this bridge

IH 610 WB over Greenwillow DR is a concrete continuous slab carrying IH 610 WB over Greenwillow DR in Harris County, Texas. It was built in 1964 and reconstructed in 1992, so it is 61 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 68,579 vehicles a day, roughly 6% of them trucks, projected to reach 98,470 by 2033. The structure is 100 ft (30.5 m) long and 102 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesIH 610 WB
CrossesGreenwillow DR
Location1.3 MI W of US 90 a
RouteInterstate 610
CountyHarris County
StateTexas
Coordinates29.67943, -95.44761
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 inspectionAugust 2022
Inspection intervalevery 48 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 rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2 (+1 approach)
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span40 ft (12.2 m)
Deck width102 ft (31.2 m)
Roadway width100 ft (30.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic68,579 (2019)
Projected traffic98,470 by 2033
Trucks6%
Lanes on structure6
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 610 WB over Greenwillow DR built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1992.

What condition is IH 610 WB over Greenwillow DR 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 August 2022.

How much traffic does IH 610 WB over Greenwillow DR carry?

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

How long is IH 610 WB over Greenwillow DR?

The structure is 100 ft (30.5 m) long with a longest span of 40 ft (12.2 m) and a deck 102 ft wide.

Who owns IH 610 WB over Greenwillow DR?

It is owned by the State Highway Agency.