US Bridges

RTE 312 over Maybrook Trailway Mnrr

Fair

Putnam County, New York · 2.4 MI W JCT Rts 312+22 · Structure no. 000000001045610

Built
1977
48 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
11,846
2015 count
Owner
Railroad
Railroad

About this bridge

RTE 312 over Maybrook Trailway Mnrr is a prestressed concrete box beam or girders - multiple carrying RTE 312 over Maybrook Trailway Mnrr in Putnam County, New York. It was built in 1977, so it is 48 years old, younger 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 11,846 vehicles a day, roughly 4% of them trucks, projected to reach 14,390 by 2041. The structure is 45 ft (13.7 m) long and 32 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesRTE 312
CrossesMaybrook Trailway Mnrr
Location2.4 MI W JCT Rts 312+22
RouteState Highway 312
CountyPutnam County
StateNew York
Coordinates41.43325, -73.61495
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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating85 US tons
Inventory rating40 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length45 ft (13.7 m)
Longest span44 ft (13.4 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,846 (2015)
Projected traffic14,390 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed5.6 mi (9 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerRailroad
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.9 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 312 over Maybrook Trailway Mnrr built?

It was built in 1977, making it 48 years old in 2025.

What condition is RTE 312 over Maybrook Trailway Mnrr 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 September 2024.

How much traffic does RTE 312 over Maybrook Trailway Mnrr carry?

About 11,846 vehicles per day (2015 count), of which roughly 4% are trucks.

How long is RTE 312 over Maybrook Trailway Mnrr?

The structure is 45 ft (13.7 m) long with a longest span of 44 ft (13.4 m) and a deck 32 ft wide.

Who owns RTE 312 over Maybrook Trailway Mnrr?

It is owned by the Railroad and maintained by the State Highway Agency.