US Bridges

Hamilton Road over North Brook

FairPosted for load

Cayuga County, New York · 2.0 MI SW Int RTE 34 & 31 · Structure no. 000000002206720

Built
1989
36 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
294
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Hamilton Road over North Brook is a steel stringer/multi-beam or girder carrying Hamilton Road over North Brook in Cayuga County, New York. It was built in 1989, 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 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. Its operating status is: posted for load restriction.

It carries about 294 vehicles a day, roughly 9% of them trucks, projected to reach 412 by 2040. The structure is 30 ft (9.1 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHamilton Road
CrossesNorth Brook
Location2.0 MI SW Int RTE 34 & 31
Coordinates43.04004, -76.58419
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: 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 alignment6: Equal to present minimum criteria
Operating rating28 US tons
Inventory rating19 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width25 ft (7.6 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic294 (2020)
Projected traffic412 by 2040
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$542,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Hamilton Road over North Brook built?

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

What condition is Hamilton Road over North Brook 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 August 2024.

How much traffic does Hamilton Road over North Brook carry?

About 294 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is Hamilton Road over North Brook?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 25 ft wide.

Who owns Hamilton Road over North Brook?

It is owned by the Town or Township Highway Agency.