US Bridges

RTE 5S over RTE 51

Good

Herkimer County, New York · 0.3M N Rts 5S & 51-OVER51 · Structure no. 000000001074020

Built
1989
36 years old, rebuilt 2022
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
116 ft
1 main span
Daily traffic
11,140
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 5S over RTE 51 is a steel stringer/multi-beam or girder carrying RTE 5S over RTE 51 in Herkimer County, New York. It was built in 1989 and reconstructed in 2022, so it is 36 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 11,140 vehicles a day, roughly 8% of them trucks, projected to reach 13,902 by 2041. The structure is 116 ft (35.4 m) long and 51 ft wide. If it were closed, the detour would be 23 mi (37 km).

CarriesRTE 5S
CrossesRTE 51
Location0.3M N Rts 5S & 51-OVER51
RouteState Highway 5S
Coordinates43.02011, -75.03133
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.1 US tons
Inventory rating54 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length116 ft (35.4 m)
Longest span112 ft (34.1 m)
Deck width51 ft (15.4 m)
Roadway width42 ft (12.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,140 (2020)
Projected traffic13,902 by 2041
Trucks8%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed23 mi (37 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$2.1 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 5S over RTE 51 built?

It was built in 1989, making it 36 years old in 2025. It was reconstructed in 2022.

What condition is RTE 5S over RTE 51 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 October 2024.

How much traffic does RTE 5S over RTE 51 carry?

About 11,140 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is RTE 5S over RTE 51?

The structure is 116 ft (35.4 m) long with a longest span of 112 ft (34.1 m) and a deck 51 ft wide.

Who owns RTE 5S over RTE 51?

It is owned by the State Highway Agency.