US Bridges

RTE 233 over Willow Brook

Good

Oneida County, New York · 0.7 MI N of RTE 5 & 233 · Structure no. 000000001042190

Built
1999
26 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
27 ft
1 main span
Daily traffic
6,569
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 233 over Willow Brook is a concrete culvert carrying RTE 233 over Willow Brook in Oneida County, New York. It was built in 1999, so it is 26 years old, younger than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,569 vehicles a day, roughly 10% of them trucks, projected to reach 7,980 by 2041. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 9.9 mi (16 km).

CarriesRTE 233
CrossesWillow Brook
Location0.7 MI N of RTE 5 & 233
RouteState Highway 233
Coordinates43.09071, -75.39681
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating69 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length27 ft (8.2 m)
Longest span25 ft (7.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,569 (2020)
Projected traffic7,980 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$363,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 233 over Willow Brook built?

It was built in 1999, making it 26 years old in 2025.

What condition is RTE 233 over Willow Brook 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 November 2023.

How much traffic does RTE 233 over Willow Brook carry?

About 6,569 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is RTE 233 over Willow Brook?

The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.6 m).

Who owns RTE 233 over Willow Brook?

It is owned by the State Highway Agency.