US Bridges

RTE 31 over CSX Trans/Amtrak

Good

Oneida County, New York · 0.5 MI W JCT Rts 365 & 31 · Structure no. 000000001022040

Built
1990
35 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
157 ft
3 main spans
Daily traffic
4,369
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 31 over CSX Trans/Amtrak is a steel continuous stringer/multi-beam or girder carrying RTE 31 over CSX Trans/Amtrak in Oneida County, New York. It was built in 1990, so it is 35 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,369 vehicles a day, roughly 9% of them trucks, projected to reach 5,307 by 2041. The structure is 157 ft (47.9 m) long and 43 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

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CarriesRTE 31
CrossesCSX Trans/Amtrak
Location0.5 MI W JCT Rts 365 & 31
RouteState Highway 31
CountyOneida County
StateNew York
Coordinates43.1338, -75.58677
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionDecember 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 rating69 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length157 ft (47.9 m)
Longest span71 ft (21.6 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,369 (2020)
Projected traffic5,307 by 2041
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed18.6 mi (30 km)
TollOn a free road
National Highway SystemNo

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$2.1 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 31 over CSX Trans/Amtrak built?

It was built in 1990, making it 35 years old in 2025.

What condition is RTE 31 over CSX Trans/Amtrak 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 December 2024.

How much traffic does RTE 31 over CSX Trans/Amtrak carry?

About 4,369 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is RTE 31 over CSX Trans/Amtrak?

The structure is 157 ft (47.9 m) long with a longest span of 71 ft (21.6 m) and a deck 43 ft wide.

Who owns RTE 31 over CSX Trans/Amtrak?

It is owned by the State Highway Agency.