US Bridges

RTE 987G over CSX Trans/Amtrak Stony

Fair

Columbia County, New York · 2.2 MI SW of E Chatham · Structure no. 000000005502602

Built
1960
65 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
250 ft
3 main spans
Daily traffic
1,868
2018 count
Owner
State
State Highway Agency

About this bridge

RTE 987G over CSX Trans/Amtrak Stony is a steel stringer/multi-beam or girder carrying RTE 987G over CSX Trans/Amtrak Stony in Columbia County, New York. It was built in 1960, so it is 65 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 1,868 vehicles a day, roughly 1% of them trucks, projected to reach 4,480 by 2041. The structure is 250 ft (76.1 m) long and 36 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesRTE 987G
CrossesCSX Trans/Amtrak Stony
Location2.2 MI SW of E Chatham
RouteState Highway 987G
CountyColumbia County
StateNew York
Coordinates42.39086, -73.5575
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89 US tons
Inventory rating53 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length250 ft (76.1 m)
Longest span110 ft (33.5 m)
Deck width36 ft (11 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,868 (2018)
Projected traffic4,480 by 2041
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesRailroad and waterway
Detour if closed0.6 mi (1 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$6 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 987G over CSX Trans/Amtrak Stony built?

It was built in 1960, making it 65 years old in 2025.

What condition is RTE 987G over CSX Trans/Amtrak Stony 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 December 2024.

How much traffic does RTE 987G over CSX Trans/Amtrak Stony carry?

About 1,868 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is RTE 987G over CSX Trans/Amtrak Stony?

The structure is 250 ft (76.1 m) long with a longest span of 110 ft (33.5 m) and a deck 36 ft wide.

Who owns RTE 987G over CSX Trans/Amtrak Stony?

It is owned by the State Highway Agency.