US Bridges

RTE 301 over West Branch Croton River

Fair

Putnam County, New York · 4.2 MI E JCT SH 301 & Tsp · Structure no. 000000001045310

Built
1929
96 years old, rebuilt 1989
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
29 ft
1 main span
Daily traffic
2,874
2017 count
Owner
State
State Highway Agency

About this bridge

RTE 301 over West Branch Croton River is a steel stringer/multi-beam or girder carrying RTE 301 over West Branch Croton River in Putnam County, New York. It was built in 1929 and reconstructed in 1989, so it is 96 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 2,874 vehicles a day, roughly 4% of them trucks, projected to reach 3,191 by 2041. The structure is 29 ft (8.8 m) long and 32 ft wide. If it were closed, the detour would be 23 mi (37 km).

Location

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CarriesRTE 301
CrossesWest Branch Croton River
Location4.2 MI E JCT SH 301 & Tsp
RouteState Highway 301
CountyPutnam County
StateNew York
Coordinates41.47054, -73.76002
Functional classRural 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
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating96 US tons
Inventory rating57 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span24 ft (7.3 m)
Deck width32 ft (9.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,874 (2017)
Projected traffic3,191 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 301 over West Branch Croton River built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1989.

What condition is RTE 301 over West Branch Croton 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 August 2023.

How much traffic does RTE 301 over West Branch Croton River carry?

About 2,874 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is RTE 301 over West Branch Croton River?

The structure is 29 ft (8.8 m) long with a longest span of 24 ft (7.3 m) and a deck 32 ft wide.

Who owns RTE 301 over West Branch Croton River?

It is owned by the State Highway Agency.