US Bridges

RTE 312 over 84I 84I84031068 RTE I84

PoorPosted for load

Putnam County, New York · I84 Int 65 · Structure no. 000000001052800

Built
1968
57 years old
Condition
Poor
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
252 ft
2 main spans
Daily traffic
18,150
2017 count
Owner
State
State Highway Agency

About this bridge

RTE 312 over 84I 84I84031068 RTE I84 is a steel stringer/multi-beam or girder carrying RTE 312 over 84I 84I84031068 RTE I84 in Putnam County, New York. It was built in 1968, so it is 57 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 18,150 vehicles a day, roughly 4% of them trucks, projected to reach 22,048 by 2041. The structure is 252 ft (76.8 m) long and 35 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE 312
Crosses84I 84I84031068 RTE I84
LocationI84 Int 65
RouteState Highway 312
Coordinates41.4247, -73.62687
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110 US tons
Inventory rating66 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length252 ft (76.8 m)
Longest span134 ft (40.8 m)
Deck width35 ft (10.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,150 (2017)
Projected traffic22,048 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$6.4 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 312 over 84I 84I84031068 RTE I84 built?

It was built in 1968, making it 57 years old in 2025.

What condition is RTE 312 over 84I 84I84031068 RTE I84 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does RTE 312 over 84I 84I84031068 RTE I84 carry?

About 18,150 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is RTE 312 over 84I 84I84031068 RTE I84?

The structure is 252 ft (76.8 m) long with a longest span of 134 ft (40.8 m) and a deck 35 ft wide.

Who owns RTE 312 over 84I 84I84031068 RTE I84?

It is owned by the State Highway Agency.