US Bridges

Ryan Road over Marble River

Poor

Clinton County, New York · 4MI SW Churubusco · Structure no. 000000002219540

Built
1950
75 years old
Condition
Poor
inspected April 2024
Type
Slab
Concrete Continuous
Length
31 ft
2 main spans
Daily traffic
201
2014 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Ryan Road over Marble River is a concrete continuous slab carrying Ryan Road over Marble River in Clinton County, New York. It was built in 1950, so it is 75 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.

It carries about 201 vehicles a day, roughly 17% of them trucks, projected to reach 281 by 2034. The structure is 31 ft (9.4 m) long and 29 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesRyan Road
CrossesMarble River
Location4MI SW Churubusco
Coordinates44.92774, -73.99401
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating79.9 US tons
Inventory rating32.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span13 ft (3.9 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic201 (2014)
Projected traffic281 by 2034
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$391,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Ryan Road over Marble River built?

It was built in 1950, making it 75 years old in 2025.

What condition is Ryan Road over Marble River 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 April 2024.

How much traffic does Ryan Road over Marble River carry?

About 201 vehicles per day (2014 count), of which roughly 17% are trucks.

How long is Ryan Road over Marble River?

The structure is 31 ft (9.4 m) long with a longest span of 13 ft (3.9 m) and a deck 29 ft wide.

Who owns Ryan Road over Marble River?

It is owned by the Town or Township Highway Agency.