US Bridges

RTE 987G over County Road 9

Fair

Columbia County, New York · 1.5 MI SE of Chatham · Structure no. 000000005502572

Built
1959
66 years old, rebuilt 1990
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
127 ft
3 main spans
Daily traffic
1,873
2019 count
Owner
State
State Highway Agency

About this bridge

RTE 987G over County Road 9 is a steel stringer/multi-beam or girder carrying RTE 987G over County Road 9 in Columbia County, New York. It was built in 1959 and reconstructed in 1990, so it is 66 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 1,873 vehicles a day, roughly 1% of them trucks, projected to reach 4,492 by 2041. The structure is 127 ft (38.7 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
CrossesCounty Road 9
Location1.5 MI SE of Chatham
RouteState Highway 987G
CountyColumbia County
StateNew York
Coordinates42.34638, -73.57658
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 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 rating100 US tons
Inventory rating60 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length127 ft (38.7 m)
Longest span45 ft (13.7 m)
Deck width36 ft (11 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck107 ft (32.7 m)

Traffic and service

Average daily traffic1,873 (2019)
Projected traffic4,492 by 2041
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$3.5 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 987G over County Road 9 built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1990.

What condition is RTE 987G over County Road 9 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 August 2024.

How much traffic does RTE 987G over County Road 9 carry?

About 1,873 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is RTE 987G over County Road 9?

The structure is 127 ft (38.7 m) long with a longest span of 45 ft (13.7 m) and a deck 36 ft wide.

Who owns RTE 987G over County Road 9?

It is owned by the State Highway Agency.