US Bridges

RTE 12 over Trib Mill Creek

Good

Lewis County, New York · 3 MI NW JCT RTE 117 & 12 · Structure no. 000000001078650

Built
2005
20 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
39 ft
2 main spans
Daily traffic
2,290
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 12 over Trib Mill Creek is a concrete culvert carrying RTE 12 over Trib Mill Creek in Lewis County, New York. It was built in 2005, so it is 20 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 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 2,290 vehicles a day, roughly 14% of them trucks, projected to reach 2,311 by 2041. The structure is 39 ft (11.9 m) long.

CarriesRTE 12
CrossesTrib Mill Creek
Location3 MI NW JCT RTE 117 & 12
RouteState Highway 12
Coordinates43.82601, -75.57847
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.8 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,290 (2021)
Projected traffic2,311 by 2041
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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$538,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 12 over Trib Mill Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is RTE 12 over Trib Mill Creek 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 May 2024.

How much traffic does RTE 12 over Trib Mill Creek carry?

About 2,290 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is RTE 12 over Trib Mill Creek?

The structure is 39 ft (11.9 m) long with a longest span of 12 ft (3.7 m).

Who owns RTE 12 over Trib Mill Creek?

It is owned by the State Highway Agency.