US Bridges

Sisson Road over Ischua Creek

PoorPosted for load

Cattaraugus County, New York · 3.1 MI W of Machias · Structure no. 000000002258600

Built
1970
55 years old
Condition
Poor
inspected May 2024
Type
Culvert
Steel
Length
22 ft
2 main spans
Daily traffic
92
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Sisson Road over Ischua Creek is a steel culvert carrying Sisson Road over Ischua Creek in Cattaraugus County, New York. It was built in 1970, so it is 55 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 92 vehicles a day, roughly 10% of them trucks, projected to reach 129 by 2041. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSisson Road
CrossesIschua Creek
Location3.1 MI W of Machias
Coordinates42.41184, -78.55374
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating15 US tons
Inventory rating15 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic92 (2021)
Projected traffic129 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$193,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sisson Road over Ischua Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Sisson Road over Ischua Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does Sisson Road over Ischua Creek carry?

About 92 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Sisson Road over Ischua Creek?

The structure is 22 ft (6.7 m) long with a longest span of 9 ft (2.7 m).

Who owns Sisson Road over Ischua Creek?

It is owned by the Town or Township Highway Agency.