US Bridges

RTE 28 over Rock River

Fair

Hamilton County, New York · 29 SE JCT Rts 28+28N · Structure no. 000000001020300

Built
1961
64 years old
Condition
Fair
inspected September 2024
Type
Culvert
Steel
Length
48 ft
2 main spans
Daily traffic
2,116
2019 count
Owner
State
State Highway Agency

About this bridge

RTE 28 over Rock River is a steel culvert carrying RTE 28 over Rock River in Hamilton County, New York. It was built in 1961, so it is 64 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,116 vehicles a day, roughly 12% of them trucks, projected to reach 2,282 by 2041. The structure is 48 ft (14.6 m) long. If it were closed, the detour would be 49.7 mi (80 km).

Location

Open in Google Maps
CarriesRTE 28
CrossesRock River
Location29 SE JCT Rts 28+28N
RouteState Highway 28
CountyHamilton County
StateNew York
Coordinates43.84076, -74.38316
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.2 US tons
Inventory rating16.2 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadH 15
Structure length48 ft (14.6 m)
Longest span20 ft (6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,116 (2019)
Projected traffic2,282 by 2041
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$695,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 28 over Rock River built?

It was built in 1961, making it 64 years old in 2025.

What condition is RTE 28 over Rock River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does RTE 28 over Rock River carry?

About 2,116 vehicles per day (2019 count), of which roughly 12% are trucks.

How long is RTE 28 over Rock River?

The structure is 48 ft (14.6 m) long with a longest span of 20 ft (6 m).

Who owns RTE 28 over Rock River?

It is owned by the State Highway Agency.