US Bridges

Cortland Street over Owasco Inlet

Poor

Tompkins County, New York · In Village of Groton · Structure no. 000000002263090

Built
1955
70 years old
Condition
Poor
inspected June 2024
Type
Culvert
Steel
Length
36 ft
2 main spans
Daily traffic
484
2021 count
Owner
County
County Highway Agency

About this bridge

Cortland Street over Owasco Inlet is a steel culvert carrying Cortland Street over Owasco Inlet in Tompkins County, New York. It was built in 1955, so it is 70 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 484 vehicles a day, roughly 3% of them trucks, projected to reach 678 by 2041. The structure is 36 ft (11 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesCortland Street
CrossesOwasco Inlet
LocationIn Village of Groton
Coordinates42.59081, -76.3684
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating79.1 US tons
Inventory rating21.6 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length36 ft (11 m)
Longest span14 ft (4.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic484 (2021)
Projected traffic678 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$383,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cortland Street over Owasco Inlet built?

It was built in 1955, making it 70 years old in 2025.

What condition is Cortland Street over Owasco Inlet 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 June 2024.

How much traffic does Cortland Street over Owasco Inlet carry?

About 484 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Cortland Street over Owasco Inlet?

The structure is 36 ft (11 m) long with a longest span of 14 ft (4.2 m).

Who owns Cortland Street over Owasco Inlet?

It is owned by the County Highway Agency.