US Bridges

CR27 over Little River

Fair

St. Lawrence County, New York · 0.2 MI SE of Canton · Structure no. 000000003340640

Built
1994
31 years old
Condition
Fair
inspected October 2024
Type
Arch - Thru
Wood or Timber
Length
139 ft
1 main span
Daily traffic
3,739
2019 count
Owner
County
County Highway Agency

About this bridge

CR27 over Little River is a wood or timber arch - thru carrying CR27 over Little River in St. Lawrence County, New York. It was built in 1994, so it is 31 years old, younger than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,739 vehicles a day, roughly 8% of them trucks, projected to reach 3,900 by 2041. The structure is 139 ft (42.4 m) long and 33 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesCR27
CrossesLittle River
Location0.2 MI SE of Canton
RouteCounty Highway 0
Coordinates44.58429, -75.15812
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64 US tons
Inventory rating45 US tons

Structure

Structure typeArch - Thru
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 25 or greater
Structure length139 ft (42.4 m)
Longest span127 ft (38.7 m)
Deck width33 ft (10.1 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deck18 ft (5.5 m)

Traffic and service

Average daily traffic3,739 (2019)
Projected traffic3,900 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5.6 mi (9 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$4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR27 over Little River built?

It was built in 1994, making it 31 years old in 2025.

What condition is CR27 over Little River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does CR27 over Little River carry?

About 3,739 vehicles per day (2019 count), of which roughly 8% are trucks.

How long is CR27 over Little River?

The structure is 139 ft (42.4 m) long with a longest span of 127 ft (38.7 m) and a deck 33 ft wide.

Who owns CR27 over Little River?

It is owned by the County Highway Agency.