US Bridges

RTE 30 over Lewey Lake Outlet

Good

Hamilton County, New York · 11.8 MI N JCT Rts 8+30 · Structure no. 000000001021220

Built
1992
33 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
51 ft
1 main span
Daily traffic
653
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 30 over Lewey Lake Outlet is a prestressed concrete box beam or girders - multiple carrying RTE 30 over Lewey Lake Outlet in Hamilton County, New York. It was built in 1992, so it is 33 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 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 653 vehicles a day, roughly 14% of them trucks, projected to reach 704 by 2041. The structure is 51 ft (15.5 m) long and 38 ft wide. If it were closed, the detour would be 76.4 mi (123 km).

CarriesRTE 30
CrossesLewey Lake Outlet
Location11.8 MI N JCT Rts 8+30
RouteState Highway 30
Coordinates43.6522, -74.38978
Functional classRural Principal Arterial - Other

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.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length51 ft (15.5 m)
Longest span47 ft (14.3 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic653 (2021)
Projected traffic704 by 2041
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed76.4 mi (123 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 RTE 30 over Lewey Lake Outlet built?

It was built in 1992, making it 33 years old in 2025.

What condition is RTE 30 over Lewey Lake Outlet 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 October 2024.

How much traffic does RTE 30 over Lewey Lake Outlet carry?

About 653 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is RTE 30 over Lewey Lake Outlet?

The structure is 51 ft (15.5 m) long with a longest span of 47 ft (14.3 m) and a deck 38 ft wide.

Who owns RTE 30 over Lewey Lake Outlet?

It is owned by the State Highway Agency.