US Bridges

RTE 9N over Black River

Good

Essex County, New York · 1MI W of I87 · Structure no. 000000001006930

Built
1949
76 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
32 ft
2 main spans
Daily traffic
3,129
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 9N over Black River is a concrete culvert carrying RTE 9N over Black River in Essex County, New York. It was built in 1949, so it is 76 years old, older 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 3,129 vehicles a day, roughly 7% of them trucks, projected to reach 3,505 by 2041. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 9.9 mi (16 km).

CarriesRTE 9N
CrossesBlack River
Location1MI W of I87
RouteU.S. Route 9N
Coordinates44.20944, -73.5274
Functional classRural Principal Arterial - Other

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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadOther
Structure length32 ft (9.8 m)
Longest span15 ft (4.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,129 (2021)
Projected traffic3,505 by 2041
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$459,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 9N over Black River built?

It was built in 1949, making it 76 years old in 2025.

What condition is RTE 9N over Black River 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 2023.

How much traffic does RTE 9N over Black River carry?

About 3,129 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is RTE 9N over Black River?

The structure is 32 ft (9.8 m) long with a longest span of 15 ft (4.5 m).

Who owns RTE 9N over Black River?

It is owned by the State Highway Agency.