US Bridges

County Road 318 over Cass Run

Good

Chautauqua County, New York · .2 MI West of Ivory · Structure no. 000000003323730

Built
1985
40 years old
Condition
Good
inspected April 2023
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
50 ft
2 main spans
Daily traffic
695
2018 count
Owner
County
County Highway Agency

About this bridge

County Road 318 over Cass Run is a aluminum, wrought iron, or cast iron culvert carrying County Road 318 over Cass Run in Chautauqua County, New York. It was built in 1985, so it is 40 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 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 695 vehicles a day, roughly 15% of them trucks, projected to reach 701 by 2041. The structure is 50 ft (15.2 m) long. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesCounty Road 318
CrossesCass Run
Location.2 MI West of Ivory
RouteCounty Highway 0
CountyChautauqua County
StateNew York
Coordinates42.07136, -79.09969
Functional classRural Major Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating85.2 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans2
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span22 ft (6.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic695 (2018)
Projected traffic701 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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$569,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 318 over Cass Run built?

It was built in 1985, making it 40 years old in 2025.

What condition is County Road 318 over Cass Run 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 April 2023.

How much traffic does County Road 318 over Cass Run carry?

About 695 vehicles per day (2018 count), of which roughly 15% are trucks.

How long is County Road 318 over Cass Run?

The structure is 50 ft (15.2 m) long with a longest span of 22 ft (6.7 m).

Who owns County Road 318 over Cass Run?

It is owned by the County Highway Agency.