US Bridges

Senn Road over Old Erie Canal

PoorPosted for load

Oneida County, New York · 2 MI SW of New London · Structure no. 000000004426360

Built
1865
160 years old, rebuilt 1925
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
301
2017 count
Owner
State
State Highway Agency

About this bridge

Senn Road over Old Erie Canal is a steel stringer/multi-beam or girder carrying Senn Road over Old Erie Canal in Oneida County, New York. It was built in 1865 and reconstructed in 1925, so it is 160 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 3 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 301 vehicles a day, roughly 9% of them trucks, projected to reach 421 by 2037. The structure is 24 ft (7.3 m) long and 23 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSenn Road
CrossesOld Erie Canal
Location2 MI SW of New London
RouteCounty Highway 0
Coordinates43.19404, -75.62061
Functional classRural Minor Collector

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
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 inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating31 US tons
Inventory rating18 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span21 ft (6.4 m)
Deck width23 ft (7 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic301 (2017)
Projected traffic421 by 2037
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$304,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Senn Road over Old Erie Canal built?

It was built in 1865, making it 160 years old in 2025. It was reconstructed in 1925.

What condition is Senn Road over Old Erie Canal 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 October 2024.

How much traffic does Senn Road over Old Erie Canal carry?

About 301 vehicles per day (2017 count), of which roughly 9% are trucks.

How long is Senn Road over Old Erie Canal?

The structure is 24 ft (7.3 m) long with a longest span of 21 ft (6.4 m) and a deck 23 ft wide.

Who owns Senn Road over Old Erie Canal?

It is owned by the State Highway Agency.