US Bridges

County Road 21 over Sprout Creek

Fair

Dutchess County, New York · 2.2 MI NW of Arthursburg · Structure no. 000000003343260

Built
1940
85 years old, rebuilt 2009
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
71 ft
1 main span
Daily traffic
13,615
2021 count
Owner
County
County Highway Agency

About this bridge

County Road 21 over Sprout Creek is a steel stringer/multi-beam or girder carrying County Road 21 over Sprout Creek in Dutchess County, New York. It was built in 1940 and reconstructed in 2009, so it is 85 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 13,615 vehicles a day, roughly 2% of them trucks, projected to reach 16,845 by 2041. The structure is 71 ft (21.6 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCounty Road 21
CrossesSprout Creek
Location2.2 MI NW of Arthursburg
RouteCounty Highway 0
CountyDutchess County
StateNew York
Coordinates41.6441, -73.81075
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating28.5 US tons
Inventory rating21.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length71 ft (21.6 m)
Longest span69 ft (21 m)
Deck width32 ft (9.7 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,615 (2021)
Projected traffic16,845 by 2041
Trucks2%
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$2.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 21 over Sprout Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 2009.

What condition is County Road 21 over Sprout Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.

How much traffic does County Road 21 over Sprout Creek carry?

About 13,615 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is County Road 21 over Sprout Creek?

The structure is 71 ft (21.6 m) long with a longest span of 69 ft (21 m) and a deck 32 ft wide.

Who owns County Road 21 over Sprout Creek?

It is owned by the County Highway Agency.