US Bridges

Norfolk-Brswer RD over Trout Brook

Good

St. Lawrence County, New York · 2.4 MI W of Norfolk · Structure no. 000000003341270

Built
1996
29 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
102 ft
1 main span
Daily traffic
1,333
2018 count
Owner
County
County Highway Agency

About this bridge

Norfolk-Brswer RD over Trout Brook is a prestressed concrete box beam or girders - multiple carrying Norfolk-Brswer RD over Trout Brook in St. Lawrence County, New York. It was built in 1996, so it is 29 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 1,333 vehicles a day, roughly 12% of them trucks, projected to reach 1,866 by 2038. The structure is 102 ft (31.1 m) long and 34 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesNorfolk-Brswer RD
CrossesTrout Brook
Location2.4 MI W of Norfolk
RouteCounty Highway 0
Coordinates44.79328, -75.03161
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 protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior 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 rating99 US tons
Inventory rating72 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length102 ft (31.1 m)
Longest span98 ft (29.8 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,333 (2018)
Projected traffic1,866 by 2038
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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$1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Norfolk-Brswer RD over Trout Brook built?

It was built in 1996, making it 29 years old in 2025.

What condition is Norfolk-Brswer RD 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 June 2024.

How much traffic does Norfolk-Brswer RD over Trout Brook carry?

About 1,333 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is Norfolk-Brswer RD over Trout Brook?

The structure is 102 ft (31.1 m) long with a longest span of 98 ft (29.8 m) and a deck 34 ft wide.

Who owns Norfolk-Brswer RD over Trout Brook?

It is owned by the County Highway Agency.