US Bridges

RTE 23 over Prosser Hollow Bk

Fair

Delaware County, New York · 1.9 MI E of Otsego City L · Structure no. 000000001017590

Built
1936
89 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
26 ft
1 main span
Daily traffic
5,434
2016 count
Owner
State
State Highway Agency

About this bridge

RTE 23 over Prosser Hollow Bk is a concrete culvert carrying RTE 23 over Prosser Hollow Bk in Delaware County, New York. It was built in 1936, so it is 89 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 5,434 vehicles a day, roughly 5% of them trucks, projected to reach 6,601 by 2041. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 61.5 mi (99 km).

Location

Open in Google Maps
CarriesRTE 23
CrossesProsser Hollow Bk
Location1.9 MI E of Otsego City L
RouteState Highway 23
CountyDelaware County
StateNew York
Coordinates42.43895, -74.98558
Functional classUrban Minor 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 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
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length26 ft (7.9 m)
Longest span21 ft (6.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,434 (2016)
Projected traffic6,601 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed61.5 mi (99 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$764,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 23 over Prosser Hollow Bk built?

It was built in 1936, making it 89 years old in 2025.

What condition is RTE 23 over Prosser Hollow Bk 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 May 2024.

How much traffic does RTE 23 over Prosser Hollow Bk carry?

About 5,434 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is RTE 23 over Prosser Hollow Bk?

The structure is 26 ft (7.9 m) long with a longest span of 21 ft (6.4 m).

Who owns RTE 23 over Prosser Hollow Bk?

It is owned by the State Highway Agency.