US Bridges

County Road 35 over Trout Brook

Good

St. Lawrence County, New York · .5 Mile S Burnham Corners · Structure no. 000000003341640

Built
2010
15 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
71 ft
1 main span
Daily traffic
1,063
2017 count
Owner
County
County Highway Agency

About this bridge

County Road 35 over Trout Brook is a prestressed concrete box beam or girders - multiple carrying County Road 35 over Trout Brook in St. Lawrence County, New York. It was built in 2010, so it is 15 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 1,063 vehicles a day, roughly 7% of them trucks, projected to reach 1,488 by 2037. The structure is 71 ft (21.6 m) long and 33 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesCounty Road 35
CrossesTrout Brook
Location.5 Mile S Burnham Corners
RouteCounty Highway 0
Coordinates44.70291, -75.08163
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating103 US tons
Inventory rating57 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length71 ft (21.6 m)
Longest span67 ft (20.4 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,063 (2017)
Projected traffic1,488 by 2037
Trucks7%
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

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$729,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 35 over Trout Brook built?

It was built in 2010, making it 15 years old in 2025.

What condition is County Road 35 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 September 2024.

How much traffic does County Road 35 over Trout Brook carry?

About 1,063 vehicles per day (2017 count), of which roughly 7% are trucks.

How long is County Road 35 over Trout Brook?

The structure is 71 ft (21.6 m) long with a longest span of 67 ft (20.4 m) and a deck 33 ft wide.

Who owns County Road 35 over Trout Brook?

It is owned by the County Highway Agency.