US Bridges

Hopkins Avenue over Chadakoin River

Good

Chautauqua County, New York · .4 MI NE JCT SR394 & CR40 · Structure no. 000000002258430

Built
2023
2 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
75 ft
1 main span
Daily traffic
568
2017 count
Owner
County
County Highway Agency

About this bridge

Hopkins Avenue over Chadakoin River is a steel stringer/multi-beam or girder carrying Hopkins Avenue over Chadakoin River in Chautauqua County, New York. It was built in 2023, so it is 2 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 568 vehicles a day, roughly 4% of them trucks, projected to reach 795 by 2037. The structure is 75 ft (23 m) long and 39 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesHopkins Avenue
CrossesChadakoin River
Location.4 MI NE JCT SR394 & CR40
RouteCity Street 0
CountyChautauqua County
StateNew York
Coordinates42.11016, -79.21583
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating85 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length75 ft (23 m)
Longest span69 ft (21 m)
Deck width39 ft (11.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck107 ft (32.7 m)

Traffic and service

Average daily traffic568 (2017)
Projected traffic795 by 2037
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$2.5 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Hopkins Avenue over Chadakoin River built?

It was built in 2023, making it 2 years old in 2025.

What condition is Hopkins Avenue over Chadakoin River 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 December 2023.

How much traffic does Hopkins Avenue over Chadakoin River carry?

About 568 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Hopkins Avenue over Chadakoin River?

The structure is 75 ft (23 m) long with a longest span of 69 ft (21 m) and a deck 39 ft wide.

Who owns Hopkins Avenue over Chadakoin River?

It is owned by the County Highway Agency.