US Bridges

South Mt Road over Manor Kill

Fair

Schoharie County, New York · 2.2 MI W of Manorkill · Structure no. 000000003354990

Built
2000
25 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
48 ft
1 main span
Daily traffic
66
2017 count
Owner
County
County Highway Agency

About this bridge

South Mt Road over Manor Kill is a prestressed concrete box beam or girders - multiple carrying South Mt Road over Manor Kill in Schoharie County, New York. It was built in 2000, so it is 25 years old, younger 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 66 vehicles a day, roughly 14% of them trucks, projected to reach 92 by 2037. The structure is 48 ft (14.6 m) long and 29 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesSouth Mt Road
CrossesManor Kill
Location2.2 MI W of Manorkill
Coordinates42.38599, -74.36274
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88 US tons
Inventory rating53 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length48 ft (14.6 m)
Longest span46 ft (14 m)
Deck width29 ft (8.7 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic66 (2017)
Projected traffic92 by 2037
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$864,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was South Mt Road over Manor Kill built?

It was built in 2000, making it 25 years old in 2025.

What condition is South Mt Road over Manor Kill 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 October 2024.

How much traffic does South Mt Road over Manor Kill carry?

About 66 vehicles per day (2017 count), of which roughly 14% are trucks.

How long is South Mt Road over Manor Kill?

The structure is 48 ft (14.6 m) long with a longest span of 46 ft (14 m) and a deck 29 ft wide.

Who owns South Mt Road over Manor Kill?

It is owned by the County Highway Agency.