US Bridges

South Third Ave over Mnrr Nh Line

Good

Westchester County, New York · 1.5 Miles West of Pelham · Structure no. 000000002265130

Built
2023
2 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
88 ft
1 main span
Daily traffic
6,960
2017 count
Owner
Railroad
Railroad

About this bridge

South Third Ave over Mnrr Nh Line is a steel stringer/multi-beam or girder carrying South Third Ave over Mnrr Nh Line in Westchester County, New York. It was built in 2023, so it is 2 years old, younger than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,960 vehicles a day, roughly 5% of them trucks, projected to reach 9,744 by 2037. The structure is 88 ft (26.7 m) long and 63 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSouth Third Ave
CrossesMnrr Nh Line
Location1.5 Miles West of Pelham
Coordinates40.91213, -73.83637
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation9: Superior to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating85 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length88 ft (26.7 m)
Longest span80 ft (24.4 m)
Deck width63 ft (19.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deck107 ft (32.7 m)

Traffic and service

Average daily traffic6,960 (2017)
Projected traffic9,744 by 2037
Trucks5%
Lanes on structure1
Traffic directionOne-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 statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$5.7 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was South Third Ave over Mnrr Nh Line built?

It was built in 2023, making it 2 years old in 2025.

What condition is South Third Ave over Mnrr Nh Line in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does South Third Ave over Mnrr Nh Line carry?

About 6,960 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is South Third Ave over Mnrr Nh Line?

The structure is 88 ft (26.7 m) long with a longest span of 80 ft (24.4 m) and a deck 63 ft wide.

Who owns South Third Ave over Mnrr Nh Line?

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