US Bridges

E Seneca Street over CSX Transportation

Fair

Oswego County, New York · In Oswego · Structure no. 000000002256290

Built
1939
86 years old, rebuilt 1980
Condition
Fair
inspected December 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
283 ft
4 main spans
Daily traffic
2,536
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

E Seneca Street over CSX Transportation is a prestressed concrete continuous box beam or girders - multiple carrying E Seneca Street over CSX Transportation in Oswego County, New York. It was built in 1939 and reconstructed in 1980, so it is 86 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,536 vehicles a day, roughly 4% of them trucks, projected to reach 3,137 by 2041. The structure is 283 ft (86.3 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesE Seneca Street
CrossesCSX Transportation
LocationIn Oswego
RouteCity Street 0
Coordinates43.46526, -76.49171
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating77.5 US tons
Inventory rating44.3 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length283 ft (86.3 m)
Longest span68 ft (20.7 m)
Deck width42 ft (12.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,536 (2020)
Projected traffic3,137 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$7.2 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was E Seneca Street over CSX Transportation built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1980.

What condition is E Seneca Street over CSX Transportation in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2024.

How much traffic does E Seneca Street over CSX Transportation carry?

About 2,536 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is E Seneca Street over CSX Transportation?

The structure is 283 ft (86.3 m) long with a longest span of 68 ft (20.7 m) and a deck 42 ft wide.

Who owns E Seneca Street over CSX Transportation?

It is owned by the City or Municipal Highway Agency.