US Bridges

RTE 30 over Jessup River

Fair

Hamilton County, New York · 6.1 MI N JCT Rts 8 & 30 · Structure no. 000000001021210

Built
1955
70 years old, rebuilt 1992
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
59 ft
1 main span
Daily traffic
653
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 30 over Jessup River is a steel stringer/multi-beam or girder carrying RTE 30 over Jessup River in Hamilton County, New York. It was built in 1955 and reconstructed in 1992, so it is 70 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 6 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 653 vehicles a day, roughly 14% of them trucks, projected to reach 704 by 2041. The structure is 59 ft (18 m) long and 39 ft wide. If it were closed, the detour would be 48.5 mi (78 km).

Location

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CarriesRTE 30
CrossesJessup River
Location6.1 MI N JCT Rts 8 & 30
RouteState Highway 30
CountyHamilton County
StateNew York
Coordinates43.58246, -74.40644
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating105.1 US tons
Inventory rating61.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length59 ft (18 m)
Longest span55 ft (16.7 m)
Deck width39 ft (11.9 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic653 (2021)
Projected traffic704 by 2041
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed48.5 mi (78 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$1.6 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 30 over Jessup River built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1992.

What condition is RTE 30 over Jessup 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 June 2023.

How much traffic does RTE 30 over Jessup River carry?

About 653 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is RTE 30 over Jessup River?

The structure is 59 ft (18 m) long with a longest span of 55 ft (16.7 m) and a deck 39 ft wide.

Who owns RTE 30 over Jessup River?

It is owned by the State Highway Agency.