US Bridges

Gramatan Avenue over Mnrr Nh Line

Poor

Westchester County, New York · 1.5 Miles West of Pelham · Structure no. 000000002265120

Built
1894
131 years old, rebuilt 1996
Condition
Poor
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
80 ft
2 main spans
Daily traffic
5,838
2016 count
Owner
Railroad
Railroad

About this bridge

Gramatan Avenue over Mnrr Nh Line is a steel stringer/multi-beam or girder carrying Gramatan Avenue over Mnrr Nh Line in Westchester County, New York. It was built in 1894 and reconstructed in 1996, so it is 131 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 5,838 vehicles a day, roughly 3% of them trucks, projected to reach 7,092 by 2041. The structure is 80 ft (24.4 m) long and 76 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesGramatan Avenue
CrossesMnrr Nh Line
Location1.5 Miles West of Pelham
RouteCity Street 0
Coordinates40.91196, -73.83717
Functional classUrban Minor Arterial

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
Deck4 PoorAdvanced section loss, deterioration, 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 inspectionDecember 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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating30.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length80 ft (24.4 m)
Longest span60 ft (18.3 m)
Deck width76 ft (23.3 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,838 (2016)
Projected traffic7,092 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerRailroad
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$7.6 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Gramatan Avenue over Mnrr Nh Line built?

It was built in 1894, making it 131 years old in 2025. It was reconstructed in 1996.

What condition is Gramatan Avenue over Mnrr Nh 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 December 2023.

How much traffic does Gramatan Avenue over Mnrr Nh Line carry?

About 5,838 vehicles per day (2016 count), of which roughly 3% are trucks.

How long is Gramatan Avenue over Mnrr Nh Line?

The structure is 80 ft (24.4 m) long with a longest span of 60 ft (18.3 m) and a deck 76 ft wide.

Who owns Gramatan Avenue over Mnrr Nh Line?

It is owned by the Railroad and maintained by the City or Municipal Highway Agency.