US Bridges

RTE 987G over CR 21

Fair

Putnam County, New York · 5.9 MI NE of Shrub Oak · Structure no. 000000005502329

Built
1934
91 years old
Condition
Fair
inspected July 2024
Type
Frame
Concrete
Length
77 ft
1 main span
Daily traffic
30,296
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 987G over CR 21 is a concrete frame carrying RTE 987G over CR 21 in Putnam County, New York. It was built in 1934, so it is 91 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 30,296 vehicles a day, roughly 1% of them trucks, projected to reach 72,677 by 2041. The structure is 77 ft (23.5 m) long and 48 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesRTE 987G
CrossesCR 21
Location5.9 MI NE of Shrub Oak
RouteState Highway 987G
CountyPutnam County
StateNew York
Coordinates41.40963, -73.78676
Functional classRural Principal Arterial - Other

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 inspectionJuly 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 alignment8: Equal to present desirable criteria
Operating rating95.1 US tons
Inventory rating32.4 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length77 ft (23.5 m)
Longest span70 ft (21.3 m)
Deck width48 ft (14.7 m)
Roadway width42 ft (12.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,296 (2020)
Projected traffic72,677 by 2041
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemYes

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$4.2 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 987G over CR 21 built?

It was built in 1934, making it 91 years old in 2025.

What condition is RTE 987G over CR 21 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 July 2024.

How much traffic does RTE 987G over CR 21 carry?

About 30,296 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is RTE 987G over CR 21?

The structure is 77 ft (23.5 m) long with a longest span of 70 ft (21.3 m) and a deck 48 ft wide.

Who owns RTE 987G over CR 21?

It is owned by the State Highway Agency.