US Bridges

RTE 12 over Roaring Brook

Fair

Lewis County, New York · 3.5 MI SE of Lowville · Structure no. 000000001009590

Built
1989
36 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
147 ft
1 main span
Daily traffic
5,059
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 12 over Roaring Brook is a steel stringer/multi-beam or girder carrying RTE 12 over Roaring Brook in Lewis County, New York. It was built in 1989, so it is 36 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 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 5,059 vehicles a day, roughly 16% of them trucks, projected to reach 5,107 by 2041. The structure is 147 ft (44.8 m) long and 46 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesRTE 12
CrossesRoaring Brook
Location3.5 MI SE of Lowville
RouteState Highway 12
CountyLewis County
StateNew York
Coordinates43.74097, -75.42479
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83 US tons
Inventory rating39 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length147 ft (44.8 m)
Longest span142 ft (43.2 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,059 (2021)
Projected traffic5,107 by 2041
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$2.8 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 12 over Roaring Brook built?

It was built in 1989, making it 36 years old in 2025.

What condition is RTE 12 over Roaring 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 April 2024.

How much traffic does RTE 12 over Roaring Brook carry?

About 5,059 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is RTE 12 over Roaring Brook?

The structure is 147 ft (44.8 m) long with a longest span of 142 ft (43.2 m) and a deck 46 ft wide.

Who owns RTE 12 over Roaring Brook?

It is owned by the State Highway Agency.