US Bridges

Old Pots-Prsvl RD over Parkhurst Brook

Good

St. Lawrence County, New York · 1 Mile SE of Potsdam · Structure no. 000000003341680

Built
1999
26 years old
Condition
Good
inspected April 2024
Type
Frame
Concrete
Length
39 ft
1 main span
Daily traffic
1,592
2019 count
Owner
County
County Highway Agency

About this bridge

Old Pots-Prsvl RD over Parkhurst Brook is a concrete frame carrying Old Pots-Prsvl RD over Parkhurst Brook in St. Lawrence 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 1,592 vehicles a day, roughly 2% of them trucks, projected to reach 2,229 by 2039. The structure is 39 ft (11.9 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesOld Pots-Prsvl RD
CrossesParkhurst Brook
Location1 Mile SE of Potsdam
Coordinates44.65889, -74.96243
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92.8 US tons
Inventory rating63.6 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length39 ft (11.9 m)
Longest span36 ft (10.9 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck107 ft (32.7 m)

Traffic and service

Average daily traffic1,592 (2019)
Projected traffic2,229 by 2039
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$622,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Pots-Prsvl RD over Parkhurst Brook built?

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

What condition is Old Pots-Prsvl RD over Parkhurst 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 April 2024.

How much traffic does Old Pots-Prsvl RD over Parkhurst Brook carry?

About 1,592 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is Old Pots-Prsvl RD over Parkhurst Brook?

The structure is 39 ft (11.9 m) long with a longest span of 36 ft (10.9 m) and a deck 32 ft wide.

Who owns Old Pots-Prsvl RD over Parkhurst Brook?

It is owned by the County Highway Agency.