US Bridges

Cobb Street over Old Erie Canal

PoorPosted for load

Madison County, New York · At City of Oneida · Structure no. 000000004424110

Built
1925
100 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
756
2019 count
Owner
State
State Highway Agency

About this bridge

Cobb Street over Old Erie Canal is a steel stringer/multi-beam or girder carrying Cobb Street over Old Erie Canal in Madison County, New York. It was built in 1925, so it is 100 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 756 vehicles a day, roughly 5% of them trucks, projected to reach 1,058 by 2039. The structure is 24 ft (7.3 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCobb Street
CrossesOld Erie Canal
LocationAt City of Oneida
RouteCounty Highway 0
Coordinates43.10357, -75.68325
Functional classUrban 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
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating58 US tons
Inventory rating34 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span20 ft (6 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic756 (2019)
Projected traffic1,058 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$257,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cobb Street over Old Erie Canal built?

It was built in 1925, making it 100 years old in 2025.

What condition is Cobb Street 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 Cobb Street over Old Erie Canal carry?

About 756 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Cobb Street over Old Erie Canal?

The structure is 24 ft (7.3 m) long with a longest span of 20 ft (6 m) and a deck 23 ft wide.

Who owns Cobb Street over Old Erie Canal?

It is owned by the State Highway Agency.