US Bridges

Deans Mill Road over Hannacrois Creek

Good

Greene County, New York · 2 MI NW New Baltimore · Structure no. 000000003201350

Built
1961
64 years old, rebuilt 2016
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
271
2017 count
Owner
County
County Highway Agency

About this bridge

Deans Mill Road over Hannacrois Creek is a prestressed concrete box beam or girders - multiple carrying Deans Mill Road over Hannacrois Creek in Greene County, New York. It was built in 1961 and reconstructed in 2016, so it is 64 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 271 vehicles a day, roughly 10% of them trucks, projected to reach 379 by 2037. The structure is 70 ft (21.3 m) long and 24 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesDeans Mill Road
CrossesHannacrois Creek
Location2 MI NW New Baltimore
Coordinates42.45084, -73.83095
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
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating88 US tons
Inventory rating53 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length70 ft (21.3 m)
Longest span68 ft (20.7 m)
Deck width24 ft (7.4 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic271 (2017)
Projected traffic379 by 2037
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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$862,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Deans Mill Road over Hannacrois Creek built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2016.

What condition is Deans Mill Road over Hannacrois Creek 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 2024.

How much traffic does Deans Mill Road over Hannacrois Creek carry?

About 271 vehicles per day (2017 count), of which roughly 10% are trucks.

How long is Deans Mill Road over Hannacrois Creek?

The structure is 70 ft (21.3 m) long with a longest span of 68 ft (20.7 m) and a deck 24 ft wide.

Who owns Deans Mill Road over Hannacrois Creek?

It is owned by the County Highway Agency.