US Bridges

Parishville-Norfol over Trout Brook

Good

St. Lawrence County, New York · .5 MI SE of Stockholm Ctr · Structure no. 000000003341890

Built
2018
7 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
89 ft
1 main span
Daily traffic
593
2019 count
Owner
County
County Highway Agency

About this bridge

Parishville-Norfol over Trout Brook is a prestressed concrete box beam or girders - multiple carrying Parishville-Norfol over Trout Brook in St. Lawrence County, New York. It was built in 2018, so it is 7 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 593 vehicles a day, roughly 14% of them trucks, projected to reach 830 by 2039. The structure is 89 ft (27.1 m) long and 34 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesParishville-Norfol
CrossesTrout Brook
Location.5 MI SE of Stockholm Ctr
RouteCounty Highway 0
Coordinates44.75727, -74.83084
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
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.6 US tons
Inventory rating68.9 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length89 ft (27.1 m)
Longest span84 ft (25.6 m)
Deck width34 ft (10.5 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic593 (2019)
Projected traffic830 by 2039
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$837,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Parishville-Norfol over Trout Brook built?

It was built in 2018, making it 7 years old in 2025.

What condition is Parishville-Norfol over Trout 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 October 2024.

How much traffic does Parishville-Norfol over Trout Brook carry?

About 593 vehicles per day (2019 count), of which roughly 14% are trucks.

How long is Parishville-Norfol over Trout Brook?

The structure is 89 ft (27.1 m) long with a longest span of 84 ft (25.6 m) and a deck 34 ft wide.

Who owns Parishville-Norfol over Trout Brook?

It is owned by the County Highway Agency.