US Bridges

County Road 21 over Elton Creek

PoorPosted for load

Cattaraugus County, New York · 1.9 Miles SE of Elton · Structure no. 000000003321300

Built
1910
115 years old, rebuilt 1990
Condition
Poor
inspected August 2024
Type
Girder and Floorbeam System
Steel
Length
62 ft
1 main span
Daily traffic
303
2021 count
Owner
County
County Highway Agency

About this bridge

County Road 21 over Elton Creek is a steel girder and floorbeam system carrying County Road 21 over Elton Creek in Cattaraugus County, New York. It was built in 1910 and reconstructed in 1990, so it is 115 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 303 vehicles a day, roughly 6% of them trucks, projected to reach 424 by 2041. The structure is 62 ft (18.9 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCounty Road 21
CrossesElton Creek
Location1.9 Miles SE of Elton
RouteCounty Highway 0
Coordinates42.43413, -78.4013
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53 US tons
Inventory rating29 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length62 ft (18.9 m)
Longest span60 ft (18.3 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic303 (2021)
Projected traffic424 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$1.5 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 21 over Elton Creek built?

It was built in 1910, making it 115 years old in 2025. It was reconstructed in 1990.

What condition is County Road 21 over Elton Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does County Road 21 over Elton Creek carry?

About 303 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is County Road 21 over Elton Creek?

The structure is 62 ft (18.9 m) long with a longest span of 60 ft (18.3 m) and a deck 27 ft wide.

Who owns County Road 21 over Elton Creek?

It is owned by the County Highway Agency.