US Bridges

South Main Street over Brookfield Power Canal

Good

Jefferson County, New York · S Main ST over Hydrocanal · Structure no. 000000003339610

Built
2005
20 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
81 ft
1 main span
Daily traffic
1,819
2021 count
Owner
County
County Highway Agency

About this bridge

South Main Street over Brookfield Power Canal is a steel stringer/multi-beam or girder carrying South Main Street over Brookfield Power Canal in Jefferson County, New York. It was built in 2005, so it is 20 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 1,819 vehicles a day, roughly 8% of them trucks, projected to reach 2,250 by 2041. The structure is 81 ft (24.7 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSouth Main Street
CrossesBrookfield Power Canal
LocationS Main ST over Hydrocanal
Coordinates44.01092, -75.79503
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating59 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length81 ft (24.7 m)
Longest span77 ft (23.4 m)
Deck width42 ft (12.8 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,819 (2021)
Projected traffic2,250 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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$1.3 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was South Main Street over Brookfield Power Canal built?

It was built in 2005, making it 20 years old in 2025.

What condition is South Main Street over Brookfield Power Canal 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 November 2024.

How much traffic does South Main Street over Brookfield Power Canal carry?

About 1,819 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is South Main Street over Brookfield Power Canal?

The structure is 81 ft (24.7 m) long with a longest span of 77 ft (23.4 m) and a deck 42 ft wide.

Who owns South Main Street over Brookfield Power Canal?

It is owned by the County Highway Agency.