US Bridges

Big Brook Road over Big Brook

PoorPosted for load

Hamilton County, New York · 3.4 MI SE of Indian Lake · Structure no. 000000003307240

Built
1945
80 years old
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
28 ft
1 main span
Daily traffic
230
2018 count
Owner
County
County Highway Agency

About this bridge

Big Brook Road over Big Brook is a steel stringer/multi-beam or girder carrying Big Brook Road over Big Brook in Hamilton County, New York. It was built in 1945, so it is 80 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 230 vehicles a day, roughly 7% of them trucks, projected to reach 322 by 2038. The structure is 28 ft (8.5 m) long and 24 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesBig Brook Road
CrossesBig Brook
Location3.4 MI SE of Indian Lake
RouteCounty Highway 0
CountyHamilton County
StateNew York
Coordinates43.74004, -74.2324
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65 US tons
Inventory rating39 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length28 ft (8.5 m)
Longest span25 ft (7.6 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic230 (2018)
Projected traffic322 by 2038
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$294,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Big Brook Road over Big Brook built?

It was built in 1945, making it 80 years old in 2025.

What condition is Big Brook Road over Big Brook in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does Big Brook Road over Big Brook carry?

About 230 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is Big Brook Road over Big Brook?

The structure is 28 ft (8.5 m) long with a longest span of 25 ft (7.6 m) and a deck 24 ft wide.

Who owns Big Brook Road over Big Brook?

It is owned by the County Highway Agency.