US Bridges

County Road 78 over Stony Creek

Good

Dutchess County, New York · 0.4 MI NW JCT Rt 9 CR78 · Structure no. 000000001047720

Built
2017
8 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
44 ft
1 main span
Daily traffic
2,076
2019 count
Owner
County
County Highway Agency

About this bridge

County Road 78 over Stony Creek is a concrete culvert carrying County Road 78 over Stony Creek in Dutchess County, New York. It was built in 2017, so it is 8 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 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 2,076 vehicles a day, roughly 4% of them trucks, projected to reach 2,568 by 2041. The structure is 44 ft (13.4 m) long and 37 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road 78
CrossesStony Creek
Location0.4 MI NW JCT Rt 9 CR78
RouteCounty Highway 0
Coordinates42.05823, -73.90639
Functional classUrban Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length44 ft (13.4 m)
Longest span42 ft (12.8 m)
Deck width37 ft (11.4 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,076 (2019)
Projected traffic2,568 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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$1.9 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 78 over Stony Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is County Road 78 over Stony 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 September 2023.

How much traffic does County Road 78 over Stony Creek carry?

About 2,076 vehicles per day (2019 count), of which roughly 4% are trucks.

How long is County Road 78 over Stony Creek?

The structure is 44 ft (13.4 m) long with a longest span of 42 ft (12.8 m) and a deck 37 ft wide.

Who owns County Road 78 over Stony Creek?

It is owned by the County Highway Agency.