US Bridges

CR 4 over Mill Brook

Good

Essex County, New York · 3 MI W of Moriah Corners · Structure no. 000000003301810

Built
2016
9 years old
Condition
Good
inspected August 2024
Type
Tee Beam
Prestressed Concrete
Length
63 ft
1 main span
Daily traffic
420
2021 count
Owner
County
County Highway Agency

About this bridge

CR 4 over Mill Brook is a prestressed concrete tee beam carrying CR 4 over Mill Brook in Essex County, New York. It was built in 2016, so it is 9 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 420 vehicles a day, roughly 7% of them trucks, projected to reach 438 by 2041. The structure is 63 ft (19.2 m) long and 29 ft wide. If it were closed, the detour would be 10.6 mi (17 km).

CarriesCR 4
CrossesMill Brook
Location3 MI W of Moriah Corners
RouteCounty Highway 0
Coordinates44.03967, -73.56644
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum 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 alignment6: Equal to present minimum criteria
Operating rating68 US tons
Inventory rating30 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length63 ft (19.2 m)
Longest span60 ft (18.3 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic420 (2021)
Projected traffic438 by 2041
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed10.6 mi (17 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$853,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 4 over Mill Brook built?

It was built in 2016, making it 9 years old in 2025.

What condition is CR 4 over Mill 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 August 2024.

How much traffic does CR 4 over Mill Brook carry?

About 420 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is CR 4 over Mill Brook?

The structure is 63 ft (19.2 m) long with a longest span of 60 ft (18.3 m) and a deck 29 ft wide.

Who owns CR 4 over Mill Brook?

It is owned by the County Highway Agency.