US Bridges

County Road 21 over Roaring Brook

Good

Essex County, New York · 1.9 Miles N. Rte. 73 · Structure no. 000000003371270

Built
2015
10 years old
Condition
Good
inspected September 2023
Type
Frame
Concrete
Length
37 ft
1 main span
Daily traffic
1,095
2017 count
Owner
County
County Highway Agency

About this bridge

County Road 21 over Roaring Brook is a concrete frame carrying County Road 21 over Roaring Brook in Essex County, New York. It was built in 2015, so it is 10 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 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 1,095 vehicles a day, roughly 6% of them trucks, projected to reach 1,533 by 2037. The structure is 37 ft (11.3 m) long and 31 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesCounty Road 21
CrossesRoaring Brook
Location1.9 Miles N. Rte. 73
RouteCounty Highway 0
CountyEssex County
StateNew York
Coordinates44.27452, -73.93703
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating88.6 US tons
Inventory rating45 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length37 ft (11.3 m)
Longest span36 ft (11 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,095 (2017)
Projected traffic1,533 by 2037
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$732,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 21 over Roaring Brook built?

It was built in 2015, making it 10 years old in 2025.

What condition is County Road 21 over Roaring 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 2023.

How much traffic does County Road 21 over Roaring Brook carry?

About 1,095 vehicles per day (2017 count), of which roughly 6% are trucks.

How long is County Road 21 over Roaring Brook?

The structure is 37 ft (11.3 m) long with a longest span of 36 ft (11 m) and a deck 31 ft wide.

Who owns County Road 21 over Roaring Brook?

It is owned by the County Highway Agency.