US Bridges

Eddy Pyrites Road over Harrison Crk Ovfl

PoorPosted for load

St. Lawrence County, New York · 2.0 MI NW of Pyrites · Structure no. 000000003340700

Built
1931
94 years old
Condition
Poor
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
1 main span
Daily traffic
620
2019 count
Owner
County
County Highway Agency

About this bridge

Eddy Pyrites Road over Harrison Crk Ovfl is a steel stringer/multi-beam or girder carrying Eddy Pyrites Road over Harrison Crk Ovfl in St. Lawrence County, New York. It was built in 1931, so it is 94 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 620 vehicles a day, roughly 6% of them trucks, projected to reach 868 by 2039. The structure is 36 ft (11 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesEddy Pyrites Road
CrossesHarrison Crk Ovfl
Location2.0 MI NW of Pyrites
Coordinates44.5228, -75.20769
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length36 ft (11 m)
Longest span34 ft (10.3 m)
Deck width22 ft (6.6 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic620 (2019)
Projected traffic868 by 2039
Trucks6%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$438,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Eddy Pyrites Road over Harrison Crk Ovfl built?

It was built in 1931, making it 94 years old in 2025.

What condition is Eddy Pyrites Road over Harrison Crk Ovfl 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 August 2024.

How much traffic does Eddy Pyrites Road over Harrison Crk Ovfl carry?

About 620 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is Eddy Pyrites Road over Harrison Crk Ovfl?

The structure is 36 ft (11 m) long with a longest span of 34 ft (10.3 m) and a deck 22 ft wide.

Who owns Eddy Pyrites Road over Harrison Crk Ovfl?

It is owned by the County Highway Agency.