US Bridges

Casler Road over Unadilla Lake Out

GoodPosted for load

Herkimer County, New York · 2.9 MI SE of Cedarville · Structure no. 000000002204570

Built
1920
105 years old, rebuilt 1992
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
108
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Casler Road over Unadilla Lake Out is a prestressed concrete box beam or girders - multiple carrying Casler Road over Unadilla Lake Out in Herkimer County, New York. It was built in 1920 and reconstructed in 1992, so it is 105 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 108 vehicles a day, roughly 15% of them trucks, projected to reach 151 by 2039. The structure is 42 ft (12.8 m) long and 20 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCasler Road
CrossesUnadilla Lake Out
Location2.9 MI SE of Cedarville
Coordinates42.92019, -75.08136
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
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating32 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span39 ft (11.8 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic108 (2019)
Projected traffic151 by 2039
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$425,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Casler Road over Unadilla Lake Out built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1992.

What condition is Casler Road over Unadilla Lake Out 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 September 2024.

How much traffic does Casler Road over Unadilla Lake Out carry?

About 108 vehicles per day (2019 count), of which roughly 15% are trucks.

How long is Casler Road over Unadilla Lake Out?

The structure is 42 ft (12.8 m) long with a longest span of 39 ft (11.8 m) and a deck 20 ft wide.

Who owns Casler Road over Unadilla Lake Out?

It is owned by the Town or Township Highway Agency.