US Bridges

Carmichael Hill RD over Big Brook

Good

Oneida County, New York · 1.5 MI NW Stueben Corners · Structure no. 000000003311040

Built
1941
84 years old, rebuilt 2021
Condition
Good
inspected September 2024
Type
Culvert
Steel
Length
35 ft
1 main span
Daily traffic
97
2017 count
Owner
County
County Highway Agency

About this bridge

Carmichael Hill RD over Big Brook is a steel culvert carrying Carmichael Hill RD over Big Brook in Oneida County, New York. It was built in 1941 and reconstructed in 2021, so it is 84 years old, older 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 97 vehicles a day, roughly 15% of them trucks, projected to reach 136 by 2037. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesCarmichael Hill RD
CrossesBig Brook
Location1.5 MI NW Stueben Corners
Coordinates43.33313, -75.30856
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: 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 rating34.2 US tons
Inventory rating15.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadH 10
Structure length35 ft (10.7 m)
Longest span30 ft (9.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic97 (2017)
Projected traffic136 by 2037
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$205,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Carmichael Hill RD over Big Brook built?

It was built in 1941, making it 84 years old in 2025. It was reconstructed in 2021.

What condition is Carmichael Hill RD over Big Brook 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 September 2024.

How much traffic does Carmichael Hill RD over Big Brook carry?

About 97 vehicles per day (2017 count), of which roughly 15% are trucks.

How long is Carmichael Hill RD over Big Brook?

The structure is 35 ft (10.7 m) long with a longest span of 30 ft (9.1 m).

Who owns Carmichael Hill RD over Big Brook?

It is owned by the County Highway Agency.