US Bridges

County Road 35 over Trout Brook

Good

St. Lawrence County, New York · Located in Slab City · Structure no. 000000003341700

Built
2024
1 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
77 ft
1 main span
Daily traffic
1,004
2021 count
Owner
County
County Highway Agency

About this bridge

County Road 35 over Trout Brook is a steel stringer/multi-beam or girder carrying County Road 35 over Trout Brook in St. Lawrence County, New York. It was built in 2024, so it is 1 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,004 vehicles a day, roughly 7% of them trucks, projected to reach 1,406 by 2041. The structure is 77 ft (23.6 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCounty Road 35
CrossesTrout Brook
LocationLocated in Slab City
RouteCounty Highway 0
CountySt. Lawrence County
StateNew York
Coordinates44.66975, -75.09203
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating101 US tons
Inventory rating60 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length77 ft (23.6 m)
Longest span75 ft (22.9 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck107 ft (32.7 m)

Traffic and service

Average daily traffic1,004 (2021)
Projected traffic1,406 by 2041
Trucks7%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 35 over Trout Brook built?

It was built in 2024, making it 1 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 December 2024.

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

About 1,004 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is County Road 35 over Trout Brook?

The structure is 77 ft (23.6 m) long with a longest span of 75 ft (22.9 m) and a deck 33 ft wide.

Who owns County Road 35 over Trout Brook?

It is owned by the County Highway Agency.