US Bridges

RTE 28 over Mohawk to Fort Herkimer

Good

Herkimer County, New York · .2 MI N JCT SH 5S & SH 28 · Structure no. 000000004020060

Built
1997
28 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
596 ft
3 main spans
Daily traffic
11,299
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 28 over Mohawk to Fort Herkimer is a steel continuous stringer/multi-beam or girder carrying RTE 28 over Mohawk to Fort Herkimer in Herkimer County, New York. It was built in 1997, so it is 28 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 11,299 vehicles a day, roughly 7% of them trucks, projected to reach 11,352 by 2041. The structure is 596 ft (181.7 m) long and 68 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesRTE 28
CrossesMohawk to Fort Herkimer
Location.2 MI N JCT SH 5S & SH 28
RouteState Highway 28
CountyHerkimer County
StateNew York
Coordinates43.0166, -74.99419
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78 US tons
Inventory rating46 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length596 ft (181.7 m)
Longest span220 ft (67 m)
Deck width68 ft (20.8 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,299 (2021)
Projected traffic11,352 by 2041
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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$11.8 million (2024 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was RTE 28 over Mohawk to Fort Herkimer built?

It was built in 1997, making it 28 years old in 2025.

What condition is RTE 28 over Mohawk to Fort Herkimer 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 May 2023.

How much traffic does RTE 28 over Mohawk to Fort Herkimer carry?

About 11,299 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is RTE 28 over Mohawk to Fort Herkimer?

The structure is 596 ft (181.7 m) long with a longest span of 220 ft (67 m) and a deck 68 ft wide.

Who owns RTE 28 over Mohawk to Fort Herkimer?

It is owned by the State Highway Agency.