US Bridges

RTE 3 over CSX Mainline Exchange S

Good

Jefferson County, New York · .3 MI W JCT SH 3 & SH 12 · Structure no. 000000001000500

Built
2020
5 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
225 ft
2 main spans
Daily traffic
19,388
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 3 over CSX Mainline Exchange S is a steel continuous stringer/multi-beam or girder carrying RTE 3 over CSX Mainline Exchange S in Jefferson County, New York. It was built in 2020, so it is 5 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 19,388 vehicles a day, roughly 2% of them trucks, projected to reach 19,479 by 2041. The structure is 225 ft (68.6 m) long and 56 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesRTE 3
CrossesCSX Mainline Exchange S
Location.3 MI W JCT SH 3 & SH 12
RouteState Highway 3
CountyJefferson County
StateNew York
Coordinates43.97635, -75.92318
Functional classUrban Other Principal Arterial

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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation9: Superior to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.8 US tons
Inventory rating54.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length225 ft (68.6 m)
Longest span110 ft (33.5 m)
Deck width56 ft (17.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deck107 ft (32.7 m)

Traffic and service

Average daily traffic19,388 (2020)
Projected traffic19,479 by 2041
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed1.9 mi (3 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$5.3 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 3 over CSX Mainline Exchange S built?

It was built in 2020, making it 5 years old in 2025.

What condition is RTE 3 over CSX Mainline Exchange S 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 July 2023.

How much traffic does RTE 3 over CSX Mainline Exchange S carry?

About 19,388 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is RTE 3 over CSX Mainline Exchange S?

The structure is 225 ft (68.6 m) long with a longest span of 110 ft (33.5 m) and a deck 56 ft wide.

Who owns RTE 3 over CSX Mainline Exchange S?

It is owned by the State Highway Agency.