US Bridges

Collins Hill RD over Mad Brook

Good

Chenango County, New York · 2.9 MI East of Sherburne · Structure no. 000000003351470

Built
2019
6 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
158
2021 count
Owner
County
County Highway Agency

About this bridge

Collins Hill RD over Mad Brook is a prestressed concrete box beam or girders - multiple carrying Collins Hill RD over Mad Brook in Chenango County, New York. It was built in 2019, so it is 6 years old, younger 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 158 vehicles a day, roughly 9% of them trucks, projected to reach 221 by 2041. The structure is 52 ft (15.8 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCollins Hill RD
CrossesMad Brook
Location2.9 MI East of Sherburne
Coordinates42.69161, -75.45031
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating54.7 US tons
Inventory rating42.1 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length52 ft (15.8 m)
Longest span48 ft (14.6 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic158 (2021)
Projected traffic221 by 2041
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$502,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Collins Hill RD over Mad Brook built?

It was built in 2019, making it 6 years old in 2025.

What condition is Collins Hill RD over Mad 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 August 2023.

How much traffic does Collins Hill RD over Mad Brook carry?

About 158 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is Collins Hill RD over Mad Brook?

The structure is 52 ft (15.8 m) long with a longest span of 48 ft (14.6 m) and a deck 29 ft wide.

Who owns Collins Hill RD over Mad Brook?

It is owned by the County Highway Agency.