US Bridges

Seventh Lake Outle over Seventh Lake Outlet

Fair

Hamilton County, New York · 1.5 MI E of Inlet · Structure no. 000000003307330

Built
1911
114 years old, rebuilt 2012
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
67 ft
1 main span
Daily traffic
111
2017 count
Owner
County
County Highway Agency

About this bridge

Seventh Lake Outle over Seventh Lake Outlet is a steel stringer/multi-beam or girder carrying Seventh Lake Outle over Seventh Lake Outlet in Hamilton County, New York. It was built in 1911 and reconstructed in 2012, so it is 114 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 5 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 111 vehicles a day, roughly 15% of them trucks, projected to reach 155 by 2037. The structure is 67 ft (20.4 m) long and 14 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesSeventh Lake Outle
CrossesSeventh Lake Outlet
Location1.5 MI E of Inlet
RouteCounty Highway 0
CountyHamilton County
StateNew York
Coordinates43.74655, -74.76335
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating75.9 US tons
Inventory rating52 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 25 or greater
Structure length67 ft (20.4 m)
Longest span64 ft (19.5 m)
Deck width14 ft (4.3 m)
Roadway width13 ft (4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic111 (2017)
Projected traffic155 by 2037
Trucks15%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$437,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Seventh Lake Outle over Seventh Lake Outlet built?

It was built in 1911, making it 114 years old in 2025. It was reconstructed in 2012.

What condition is Seventh Lake Outle over Seventh 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 2024.

How much traffic does Seventh Lake Outle over Seventh Lake Outlet carry?

About 111 vehicles per day (2017 count), of which roughly 15% are trucks.

How long is Seventh Lake Outle over Seventh Lake Outlet?

The structure is 67 ft (20.4 m) long with a longest span of 64 ft (19.5 m) and a deck 14 ft wide.

Who owns Seventh Lake Outle over Seventh Lake Outlet?

It is owned by the County Highway Agency.