US Bridges

County Road 4 over Black Brook

FairPosted for load

Essex County, New York · 5 MI NE I87 Exit 29 · Structure no. 000000003301950

Built
1995
30 years old
Condition
Fair
inspected July 2023
Type
Slab
Wood or Timber
Length
30 ft
1 main span
Daily traffic
393
2021 count
Owner
County
County Highway Agency

About this bridge

County Road 4 over Black Brook is a wood or timber slab carrying County Road 4 over Black Brook in Essex County, New York. It was built in 1995, so it is 30 years old, younger 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. Its operating status is: posted for other load-capacity restriction.

It carries about 393 vehicles a day, roughly 7% of them trucks, projected to reach 409 by 2041. The structure is 30 ft (9.1 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCounty Road 4
CrossesBlack Brook
Location5 MI NE I87 Exit 29
RouteCounty Highway 0
CountyEssex County
StateNew York
Coordinates43.99358, -73.65963
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating50 US tons
Inventory rating33 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckNot applicable
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width24 ft (7.4 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic393 (2021)
Projected traffic409 by 2041
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$730,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 4 over Black Brook built?

It was built in 1995, making it 30 years old in 2025.

What condition is County Road 4 over Black Brook 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 4 over Black Brook carry?

About 393 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is County Road 4 over Black Brook?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 24 ft wide.

Who owns County Road 4 over Black Brook?

It is owned by the County Highway Agency.