US Bridges

RTE 5 over Knapp Brook

Fair

Herkimer County, New York · In West Schuyler · Structure no. 000000001002370

Built
1941
84 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete Continuous
Length
28 ft
2 main spans
Daily traffic
5,595
2019 count
Owner
State
State Highway Agency

About this bridge

RTE 5 over Knapp Brook is a concrete continuous culvert carrying RTE 5 over Knapp Brook in Herkimer County, New York. It was built in 1941, so it is 84 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 5,595 vehicles a day, roughly 9% of them trucks, projected to reach 5,621 by 2041. The structure is 28 ft (8.5 m) long and 38 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesRTE 5
CrossesKnapp Brook
LocationIn West Schuyler
RouteState Highway 5
CountyHerkimer County
StateNew York
Coordinates43.09411, -75.14054
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.8 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span12 ft (3.7 m)
Deck width38 ft (11.6 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,595 (2019)
Projected traffic5,621 by 2041
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$576,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 5 over Knapp Brook built?

It was built in 1941, making it 84 years old in 2025.

What condition is RTE 5 over Knapp Brook 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 April 2024.

How much traffic does RTE 5 over Knapp Brook carry?

About 5,595 vehicles per day (2019 count), of which roughly 9% are trucks.

How long is RTE 5 over Knapp Brook?

The structure is 28 ft (8.5 m) long with a longest span of 12 ft (3.7 m) and a deck 38 ft wide.

Who owns RTE 5 over Knapp Brook?

It is owned by the State Highway Agency.