US Bridges

Hosner Mountain Ro over RTE 987

Fair

Dutchess County, New York · 0.4 MI NW JCT I-84 & Tsp · Structure no. 000000001078460

Built
2006
19 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
79 ft
1 main span
Daily traffic
809
2021 count
Owner
State
State Highway Agency

About this bridge

Hosner Mountain Ro over RTE 987 is a steel stringer/multi-beam or girder carrying Hosner Mountain Ro over RTE 987 in Dutchess County, New York. It was built in 2006, so it is 19 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 809 vehicles a day, roughly 7% of them trucks, projected to reach 1,133 by 2041. The structure is 79 ft (24.1 m) long and 37 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

Location

Open in Google Maps
CarriesHosner Mountain Ro
CrossesRTE 987
Location0.4 MI NW JCT I-84 & Tsp
CountyDutchess County
StateNew York
Coordinates41.54478, -73.77478
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating103 US tons
Inventory rating61 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length79 ft (24.1 m)
Longest span74 ft (22.6 m)
Deck width37 ft (11.2 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deck107 ft (32.7 m)

Traffic and service

Average daily traffic809 (2021)
Projected traffic1,133 by 2041
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed7.5 mi (12 km)
TollOn a free road
National Highway SystemNo

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$3.9 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Hosner Mountain Ro over RTE 987 built?

It was built in 2006, making it 19 years old in 2025.

What condition is Hosner Mountain Ro over RTE 987 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 April 2023.

How much traffic does Hosner Mountain Ro over RTE 987 carry?

About 809 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is Hosner Mountain Ro over RTE 987?

The structure is 79 ft (24.1 m) long with a longest span of 74 ft (22.6 m) and a deck 37 ft wide.

Who owns Hosner Mountain Ro over RTE 987?

It is owned by the State Highway Agency.