US Bridges

RTE 21 over Canacadea Creek

Fair

Allegany County, New York · 0.1 MI S JCT Rts 21 & 244 · Structure no. 000000001016300

Built
1986
39 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
157 ft
1 main span
Daily traffic
1,800
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 21 over Canacadea Creek is a steel stringer/multi-beam or girder carrying RTE 21 over Canacadea Creek in Allegany County, New York. It was built in 1986, so it is 39 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 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 1,800 vehicles a day, roughly 11% of them trucks, projected to reach 1,911 by 2041. The structure is 157 ft (47.9 m) long and 36 ft wide. If it were closed, the detour would be 40.4 mi (65 km).

Location

Open in Google Maps
CarriesRTE 21
CrossesCanacadea Creek
Location0.1 MI S JCT Rts 21 & 244
RouteState Highway 21
CountyAllegany County
StateNew York
Coordinates42.26781, -77.75834
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating71 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length157 ft (47.9 m)
Longest span152 ft (46.3 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2020)
Projected traffic1,911 by 2041
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed40.4 mi (65 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$3.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 21 over Canacadea Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is RTE 21 over Canacadea Creek 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 May 2023.

How much traffic does RTE 21 over Canacadea Creek carry?

About 1,800 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is RTE 21 over Canacadea Creek?

The structure is 157 ft (47.9 m) long with a longest span of 152 ft (46.3 m) and a deck 36 ft wide.

Who owns RTE 21 over Canacadea Creek?

It is owned by the State Highway Agency.