US Bridges

County Road 10B over Owasco Lake Outlet

Fair

Cayuga County, New York · 4 Miles NE of Auburn · Structure no. 000000003311790

Built
1900
125 years old, rebuilt 1997
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
74 ft
1 main span
Daily traffic
2,445
2018 count
Owner
County
County Highway Agency

About this bridge

County Road 10B over Owasco Lake Outlet is a wood or timber stringer/multi-beam or girder carrying County Road 10B over Owasco Lake Outlet in Cayuga County, New York. It was built in 1900 and reconstructed in 1997, so it is 125 years old, older 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 6 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 2,445 vehicles a day, roughly 11% of them trucks, projected to reach 3,418 by 2041. The structure is 74 ft (22.6 m) long and 28 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesCounty Road 10B
CrossesOwasco Lake Outlet
Location4 Miles NE of Auburn
RouteCounty Highway 0
CountyCayuga County
StateNew York
Coordinates42.97283, -76.60007
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating97 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 25 or greater
Structure length74 ft (22.6 m)
Longest span71 ft (21.6 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,445 (2018)
Projected traffic3,418 by 2041
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.5 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 10B over Owasco Lake Outlet built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1997.

What condition is County Road 10B over Owasco Lake Outlet 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 2023.

How much traffic does County Road 10B over Owasco Lake Outlet carry?

About 2,445 vehicles per day (2018 count), of which roughly 11% are trucks.

How long is County Road 10B over Owasco Lake Outlet?

The structure is 74 ft (22.6 m) long with a longest span of 71 ft (21.6 m) and a deck 28 ft wide.

Who owns County Road 10B over Owasco Lake Outlet?

It is owned by the County Highway Agency.