US Bridges

Stillwater Road over Muscoot River

Fair

Putnam County, New York · 1.2 MI NW of Baldwin Pl · Structure no. 000000002223740

Built
1930
95 years old, rebuilt 1995
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
54 ft
2 main spans
Daily traffic
4,888
2019 count
Owner
County
County Highway Agency

About this bridge

Stillwater Road over Muscoot River is a prestressed concrete box beam or girders - multiple carrying Stillwater Road over Muscoot River in Putnam County, New York. It was built in 1930 and reconstructed in 1995, so it is 95 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 4,888 vehicles a day, roughly 3% of them trucks, projected to reach 6,843 by 2039. The structure is 54 ft (16.5 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesStillwater Road
CrossesMuscoot River
Location1.2 MI NW of Baldwin Pl
Coordinates41.35688, -73.77282
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionApril 2023
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 alignment6: Equal to present minimum criteria
Operating rating59 US tons
Inventory rating35.1 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length54 ft (16.5 m)
Longest span25 ft (7.6 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,888 (2019)
Projected traffic6,843 by 2039
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$582,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Stillwater Road over Muscoot River built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1995.

What condition is Stillwater Road over Muscoot River 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 2023.

How much traffic does Stillwater Road over Muscoot River carry?

About 4,888 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is Stillwater Road over Muscoot River?

The structure is 54 ft (16.5 m) long with a longest span of 25 ft (7.6 m) and a deck 28 ft wide.

Who owns Stillwater Road over Muscoot River?

It is owned by the County Highway Agency.