US Bridges

RTE 21 over Canacadea Ck

Fair

Steuben County, New York · 0.2 MI NE of Webbs Crossi · Structure no. 000000001016320

Built
1948
77 years old, rebuilt 1994
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
268 ft
4 main spans
Daily traffic
3,449
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 21 over Canacadea Ck is a steel continuous stringer/multi-beam or girder carrying RTE 21 over Canacadea Ck in Steuben County, New York. It was built in 1948 and reconstructed in 1994, so it is 77 years old, older 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 5 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 3,449 vehicles a day, roughly 6% of them trucks, projected to reach 3,662 by 2041. The structure is 268 ft (81.7 m) long and 35 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesRTE 21
CrossesCanacadea Ck
Location0.2 MI NE of Webbs Crossi
RouteState Highway 21
Coordinates42.34038, -77.7178
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating77.1 US tons
Inventory rating54 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length268 ft (81.7 m)
Longest span79 ft (24 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,449 (2020)
Projected traffic3,662 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$4.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 21 over Canacadea Ck built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1994.

What condition is RTE 21 over Canacadea Ck 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 July 2024.

How much traffic does RTE 21 over Canacadea Ck carry?

About 3,449 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is RTE 21 over Canacadea Ck?

The structure is 268 ft (81.7 m) long with a longest span of 79 ft (24 m) and a deck 35 ft wide.

Who owns RTE 21 over Canacadea Ck?

It is owned by the State Highway Agency.