US Bridges

Greig Road over Black River

Fair

Lewis County, New York · 0.6 MI NE RTE 12 · Structure no. 000000003339840

Built
1964
61 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
283 ft
3 main spans
Daily traffic
1,262
2021 count
Owner
County
County Highway Agency

About this bridge

Greig Road over Black River is a steel stringer/multi-beam or girder carrying Greig Road over Black River in Lewis County, New York. It was built in 1964, so it is 61 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 6 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 1,262 vehicles a day, roughly 10% of them trucks, projected to reach 1,767 by 2041. The structure is 283 ft (86.3 m) long and 33 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesGreig Road
CrossesBlack River
Location0.6 MI NE RTE 12
RouteCounty Highway 0
Coordinates43.70988, -75.39984
Functional classRural Minor 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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
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 alignment6: Equal to present minimum criteria
Operating rating66 US tons
Inventory rating39 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length283 ft (86.3 m)
Longest span92 ft (28 m)
Deck width33 ft (10.2 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,262 (2021)
Projected traffic1,767 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5.6 mi (9 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$3.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Greig Road over Black River built?

It was built in 1964, making it 61 years old in 2025.

What condition is Greig Road over Black River 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 October 2023.

How much traffic does Greig Road over Black River carry?

About 1,262 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Greig Road over Black River?

The structure is 283 ft (86.3 m) long with a longest span of 92 ft (28 m) and a deck 33 ft wide.

Who owns Greig Road over Black River?

It is owned by the County Highway Agency.