US Bridges

County Road 35A over Susquehanna River

Fair

Otsego County, New York · Hamlet of Portlandville · Structure no. 000000003354320

Built
2002
23 years old
Condition
Fair
inspected August 2024
Type
Truss - Thru
Steel
Length
149 ft
1 main span
Daily traffic
1,163
2017 count
Owner
County
County Highway Agency

About this bridge

County Road 35A over Susquehanna River is a steel truss - thru carrying County Road 35A over Susquehanna River in Otsego County, New York. It was built in 2002, so it is 23 years old, younger 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 1,163 vehicles a day, roughly 5% of them trucks, projected to reach 1,628 by 2037. The structure is 149 ft (45.4 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCounty Road 35A
CrossesSusquehanna River
LocationHamlet of Portlandville
RouteCounty Highway 0
Coordinates42.52881, -74.96805
Functional classUrban Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating63.1 US tons
Inventory rating38 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 25 or greater
Structure length149 ft (45.4 m)
Longest span148 ft (45 m)
Deck width30 ft (9 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,163 (2017)
Projected traffic1,628 by 2037
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$5.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 35A over Susquehanna River built?

It was built in 2002, making it 23 years old in 2025.

What condition is County Road 35A over Susquehanna River 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 August 2024.

How much traffic does County Road 35A over Susquehanna River carry?

About 1,163 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is County Road 35A over Susquehanna River?

The structure is 149 ft (45.4 m) long with a longest span of 148 ft (45 m) and a deck 30 ft wide.

Who owns County Road 35A over Susquehanna River?

It is owned by the County Highway Agency.