US Bridges

RTE 311 over Stump Pond Stream

Fair

Putnam County, New York · 0.3 MI W JCT Rts 311+I84 · Structure no. 000000001045590

Built
1936
89 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
33 ft
2 main spans
Daily traffic
9,135
2019 count
Owner
State
State Highway Agency

About this bridge

RTE 311 over Stump Pond Stream is a concrete culvert carrying RTE 311 over Stump Pond Stream in Putnam 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 9,135 vehicles a day, roughly 5% of them trucks, projected to reach 11,097 by 2041. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesRTE 311
CrossesStump Pond Stream
Location0.3 MI W JCT Rts 311+I84
RouteState Highway 311
CountyPutnam County
StateNew York
Coordinates41.47218, -73.65378
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 inspectionNovember 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating110.1 US tons
Inventory rating66 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length33 ft (10.1 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,135 (2019)
Projected traffic11,097 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.7 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 311 over Stump Pond Stream built?

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

What condition is RTE 311 over Stump Pond Stream 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 November 2024.

How much traffic does RTE 311 over Stump Pond Stream carry?

About 9,135 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is RTE 311 over Stump Pond Stream?

The structure is 33 ft (10.1 m) long with a longest span of 15 ft (4.6 m).

Who owns RTE 311 over Stump Pond Stream?

It is owned by the State Highway Agency.