US Bridges

Kushaqua Mud Pond over Rainbow Lake Outl

Good

Franklin County, New York · .7 MI N of Onchiota · Structure no. 000000003337080

Built
1949
76 years old, rebuilt 1994
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
28 ft
1 main span
Daily traffic
39
2016 count
Owner
County
County Highway Agency

About this bridge

Kushaqua Mud Pond over Rainbow Lake Outl is a steel stringer/multi-beam or girder carrying Kushaqua Mud Pond over Rainbow Lake Outl in Franklin County, New York. It was built in 1949 and reconstructed in 1994, so it is 76 years old, older 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 39 vehicles a day, roughly 17% of them trucks, projected to reach 55 by 2036. The structure is 28 ft (8.5 m) long and 28 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesKushaqua Mud Pond
CrossesRainbow Lake Outl
Location.7 MI N of Onchiota
Coordinates44.50243, -74.12804
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating110.1 US tons
Inventory rating75 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span25 ft (7.6 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39 (2016)
Projected traffic55 by 2036
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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$565,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Kushaqua Mud Pond over Rainbow Lake Outl built?

It was built in 1949, making it 76 years old in 2025. It was reconstructed in 1994.

What condition is Kushaqua Mud Pond over Rainbow Lake Outl 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 August 2024.

How much traffic does Kushaqua Mud Pond over Rainbow Lake Outl carry?

About 39 vehicles per day (2016 count), of which roughly 17% are trucks.

How long is Kushaqua Mud Pond over Rainbow Lake Outl?

The structure is 28 ft (8.5 m) long with a longest span of 25 ft (7.6 m) and a deck 28 ft wide.

Who owns Kushaqua Mud Pond over Rainbow Lake Outl?

It is owned by the County Highway Agency.