US Bridges

Lunn Terrace over Mnrr Hu Line

Poor

Putnam County, New York · At Cold Spring Mnrr Sta · Structure no. 000000002224110

Built
1930
95 years old
Condition
Poor
inspected October 2024
Type
Girder and Floorbeam System
Steel
Length
98 ft
1 main span
Daily traffic
1,078
2020 count
Owner
Railroad
Railroad

About this bridge

Lunn Terrace over Mnrr Hu Line is a steel girder and floorbeam system carrying Lunn Terrace over Mnrr Hu Line in Putnam County, New York. It was built in 1930, so it is 95 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 1,078 vehicles a day, roughly 2% of them trucks, projected to reach 1,124 by 2041. The structure is 98 ft (29.9 m) long and 33 ft wide.

CarriesLunn Terrace
CrossesMnrr Hu Line
LocationAt Cold Spring Mnrr Sta
Coordinates41.41574, -73.95861
Functional classRural Major Collector

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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2024
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 alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating54 US tons
Inventory rating32 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length98 ft (29.9 m)
Longest span93 ft (28.3 m)
Deck width33 ft (10.2 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,078 (2020)
Projected traffic1,124 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerRailroad
Maintained byTown or Township Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$3.3 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Lunn Terrace over Mnrr Hu Line built?

It was built in 1930, making it 95 years old in 2025.

What condition is Lunn Terrace over Mnrr Hu Line 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 2024.

How much traffic does Lunn Terrace over Mnrr Hu Line carry?

About 1,078 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Lunn Terrace over Mnrr Hu Line?

The structure is 98 ft (29.9 m) long with a longest span of 93 ft (28.3 m) and a deck 33 ft wide.

Who owns Lunn Terrace over Mnrr Hu Line?

It is owned by the Railroad and maintained by the Town or Township Highway Agency.