US Bridges

River Road over Mad River

Good

Oneida County, New York · 1 MI N of Forestpark Cem. · Structure no. 000000003310530

Built
2005
20 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
128 ft
1 main span
Daily traffic
1,198
2021 count
Owner
County
County Highway Agency

About this bridge

River Road over Mad River is a steel stringer/multi-beam or girder carrying River Road over Mad River in Oneida County, New York. It was built in 2005, so it is 20 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,198 vehicles a day, roughly 6% of them trucks, projected to reach 1,677 by 2041. The structure is 128 ft (39 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRiver Road
CrossesMad River
Location1 MI N of Forestpark Cem.
Coordinates43.34314, -75.74629
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.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable 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 alignment8: Equal to present desirable criteria
Operating rating85 US tons
Inventory rating51 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length128 ft (39 m)
Longest span120 ft (36.6 m)
Deck width38 ft (11.7 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,198 (2021)
Projected traffic1,677 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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$1.3 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was River Road over Mad River built?

It was built in 2005, making it 20 years old in 2025.

What condition is River Road over Mad 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 2023.

How much traffic does River Road over Mad River carry?

About 1,198 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is River Road over Mad River?

The structure is 128 ft (39 m) long with a longest span of 120 ft (36.6 m) and a deck 38 ft wide.

Who owns River Road over Mad River?

It is owned by the County Highway Agency.