US Bridges

RTE 73 over Putnam Brook

Fair

Essex County, New York · Rt 73 2.8 MI S Keene V. · Structure no. 000000001029700

Built
1935
90 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
4,457
2018 count
Owner
State
State Highway Agency

About this bridge

RTE 73 over Putnam Brook is a concrete culvert carrying RTE 73 over Putnam Brook in Essex County, New York. It was built in 1935, so it is 90 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 6 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 4,457 vehicles a day, roughly 5% of them trucks, projected to reach 4,753 by 2041. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 21.7 mi (35 km).

CarriesRTE 73
CrossesPutnam Brook
LocationRt 73 2.8 MI S Keene V.
RouteU.S. Route 73
Coordinates44.15263, -73.76881
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.4 US tons
Inventory rating32.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadOther
Structure length22 ft (6.7 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 traffic4,457 (2018)
Projected traffic4,753 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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$493,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 73 over Putnam Brook built?

It was built in 1935, making it 90 years old in 2025.

What condition is RTE 73 over Putnam Brook 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 73 over Putnam Brook carry?

About 4,457 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is RTE 73 over Putnam Brook?

The structure is 22 ft (6.7 m) long with a longest span of 21 ft (6.4 m).

Who owns RTE 73 over Putnam Brook?

It is owned by the State Highway Agency.