US Bridges

RTE I84 over 987G 987G82031029 RTE 9

Poor

Dutchess County, New York · Int Rts I84(WB)& Tsp · Structure no. 000000001032571

Built
1963
62 years old, rebuilt 1989
Condition
Poor
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
347 ft
6 main spans
Daily traffic
26,344
2009 count
Owner
State
State Highway Agency

About this bridge

RTE I84 over 987G 987G82031029 RTE 9 is a steel stringer/multi-beam or girder carrying RTE I84 over 987G 987G82031029 RTE 9 in Dutchess County, New York. It was built in 1963 and reconstructed in 1989, so it is 62 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.

It carries about 26,344 vehicles a day, roughly 15% of them trucks. The structure is 347 ft (105.8 m) long and 46 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesRTE I84
Crosses987G 987G82031029 RTE 9
LocationInt Rts I84(WB)& Tsp
RouteInterstate 84
CountyDutchess County
StateNew York
Coordinates41.53922, -73.77188
Functional classUrban Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 rating89 US tons
Inventory rating53 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length347 ft (105.8 m)
Longest span65 ft (19.8 m)
Deck width46 ft (13.9 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,344 (2009)
Projected traffic—
Trucks15%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$10.2 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE I84 over 987G 987G82031029 RTE 9 built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1989.

What condition is RTE I84 over 987G 987G82031029 RTE 9 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 October 2023.

How much traffic does RTE I84 over 987G 987G82031029 RTE 9 carry?

About 26,344 vehicles per day (2009 count), of which roughly 15% are trucks.

How long is RTE I84 over 987G 987G82031029 RTE 9?

The structure is 347 ft (105.8 m) long with a longest span of 65 ft (19.8 m) and a deck 46 ft wide.

Who owns RTE I84 over 987G 987G82031029 RTE 9?

It is owned by the State Highway Agency.