US Bridges

RTE 12D over Moose Creek

Fair

Lewis County, New York · 6.7 MI S JCT Rts 12D + 26 · Structure no. 000000001010010

Built
1970
55 years old
Condition
Fair
inspected June 2024
Type
Culvert
Steel
Length
33 ft
2 main spans
Daily traffic
1,633
2015 count
Owner
State
State Highway Agency

About this bridge

RTE 12D over Moose Creek is a steel culvert carrying RTE 12D over Moose Creek in Lewis County, New York. It was built in 1970, so it is 55 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 5 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 1,633 vehicles a day, roughly 8% of them trucks, projected to reach 1,703 by 2041. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesRTE 12D
CrossesMoose Creek
Location6.7 MI S JCT Rts 12D + 26
RouteState Highway 12D
CountyLewis County
StateNew York
Coordinates43.50571, -75.35274
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
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.2 US tons
Inventory rating32.4 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length33 ft (10.1 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 traffic1,633 (2015)
Projected traffic1,703 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

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$513,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 12D over Moose Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is RTE 12D over Moose Creek 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 June 2024.

How much traffic does RTE 12D over Moose Creek carry?

About 1,633 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is RTE 12D over Moose Creek?

The structure is 33 ft (10.1 m) long with a longest span of 15 ft (4.5 m).

Who owns RTE 12D over Moose Creek?

It is owned by the State Highway Agency.