US Bridges

RTE 55 over Mnrr Ha Line

Fair

Dutchess County, New York · .5 MI W JCT SH55 & 22 · Structure no. 000000001027200

Built
2000
25 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
95 ft
1 main span
Daily traffic
5,227
2019 count
Owner
State
State Highway Agency

About this bridge

RTE 55 over Mnrr Ha Line is a prestressed concrete box beam or girders - multiple carrying RTE 55 over Mnrr Ha Line in Dutchess County, New York. It was built in 2000, so it is 25 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 6 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 5,227 vehicles a day, roughly 11% of them trucks, projected to reach 5,251 by 2041. The structure is 95 ft (29.1 m) long and 43 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

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CarriesRTE 55
CrossesMnrr Ha Line
Location.5 MI W JCT SH55 & 22
RouteState Highway 55
CountyDutchess County
StateNew York
Coordinates41.55018, -73.60185
Functional classUrban Other Principal Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
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 rating110.1 US tons
Inventory rating57 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length95 ft (29.1 m)
Longest span92 ft (28 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,227 (2019)
Projected traffic5,251 by 2041
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemYes

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$2.7 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 55 over Mnrr Ha Line built?

It was built in 2000, making it 25 years old in 2025.

What condition is RTE 55 over Mnrr Ha Line 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 September 2024.

How much traffic does RTE 55 over Mnrr Ha Line carry?

About 5,227 vehicles per day (2019 count), of which roughly 11% are trucks.

How long is RTE 55 over Mnrr Ha Line?

The structure is 95 ft (29.1 m) long with a longest span of 92 ft (28 m) and a deck 43 ft wide.

Who owns RTE 55 over Mnrr Ha Line?

It is owned by the State Highway Agency.