US Bridges

Town Road 21 over E Canasawacta Crk

Fair

Chenango County, New York · 2.1 MI SE of Plymouth · Structure no. 000000003351200

Built
2000
25 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
35 ft
1 main span
Daily traffic
22
2016 count
Owner
County
County Highway Agency

About this bridge

Town Road 21 over E Canasawacta Crk is a prestressed concrete box beam or girders - multiple carrying Town Road 21 over E Canasawacta Crk in Chenango County, New York. It was built in 2000, so it is 25 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 22 vehicles a day, roughly 9% of them trucks, projected to reach 31 by 2036. The structure is 35 ft (10.7 m) long and 24 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesTown Road 21
CrossesE Canasawacta Crk
Location2.1 MI SE of Plymouth
Coordinates42.59667, -75.58351
Functional classRural Local

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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 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 alignment8: Equal to present desirable criteria
Operating rating95 US tons
Inventory rating57 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length35 ft (10.7 m)
Longest span33 ft (10.1 m)
Deck width24 ft (7.4 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22 (2016)
Projected traffic31 by 2036
Trucks9%
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$354,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Town Road 21 over E Canasawacta Crk built?

It was built in 2000, making it 25 years old in 2025.

What condition is Town Road 21 over E Canasawacta Crk 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 April 2024.

How much traffic does Town Road 21 over E Canasawacta Crk carry?

About 22 vehicles per day (2016 count), of which roughly 9% are trucks.

How long is Town Road 21 over E Canasawacta Crk?

The structure is 35 ft (10.7 m) long with a longest span of 33 ft (10.1 m) and a deck 24 ft wide.

Who owns Town Road 21 over E Canasawacta Crk?

It is owned by the County Highway Agency.