US Bridges

Forks Road over Unadilla River

Good

Madison County, New York · Forks Road · Structure no. 000000003308710

Built
1990
35 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
96 ft
1 main span
Daily traffic
556
2019 count
Owner
County
County Highway Agency

About this bridge

Forks Road over Unadilla River is a steel stringer/multi-beam or girder carrying Forks Road over Unadilla River in Madison County, New York. It was built in 1990, so it is 35 years old, younger than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 556 vehicles a day, roughly 7% of them trucks, projected to reach 778 by 2039. The structure is 96 ft (29.3 m) long and 28 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesForks Road
CrossesUnadilla River
LocationForks Road
RouteCounty Highway 0
CountyMadison County
StateNew York
Coordinates42.84249, -75.24287
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating55.3 US tons
Inventory rating42.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length96 ft (29.3 m)
Longest span92 ft (28 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic556 (2019)
Projected traffic778 by 2039
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$825,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Forks Road over Unadilla River built?

It was built in 1990, making it 35 years old in 2025.

What condition is Forks Road over Unadilla River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does Forks Road over Unadilla River carry?

About 556 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is Forks Road over Unadilla River?

The structure is 96 ft (29.3 m) long with a longest span of 92 ft (28 m) and a deck 28 ft wide.

Who owns Forks Road over Unadilla River?

It is owned by the County Highway Agency.