US Bridges

County Road 29 over Mill Creek

FairPosted for load

Lewis County, New York · 3 Miles NW of Lowville · Structure no. 000000003340210

Built
1974
51 years old, rebuilt 2005
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
49 ft
1 main span
Daily traffic
781
2018 count
Owner
County
County Highway Agency

About this bridge

County Road 29 over Mill Creek is a steel stringer/multi-beam or girder carrying County Road 29 over Mill Creek in Lewis County, New York. It was built in 1974 and reconstructed in 2005, so it is 51 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 781 vehicles a day, roughly 17% of them trucks, projected to reach 814 by 2041. The structure is 49 ft (14.9 m) long and 26 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCounty Road 29
CrossesMill Creek
Location3 Miles NW of Lowville
RouteCounty Highway 0
Coordinates43.77119, -75.52854
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating32 US tons
Inventory rating19 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length49 ft (14.9 m)
Longest span47 ft (14.3 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic781 (2018)
Projected traffic814 by 2041
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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$716,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 29 over Mill Creek built?

It was built in 1974, making it 51 years old in 2025. It was reconstructed in 2005.

What condition is County Road 29 over Mill 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 County Road 29 over Mill Creek carry?

About 781 vehicles per day (2018 count), of which roughly 17% are trucks.

How long is County Road 29 over Mill Creek?

The structure is 49 ft (14.9 m) long with a longest span of 47 ft (14.3 m) and a deck 26 ft wide.

Who owns County Road 29 over Mill Creek?

It is owned by the County Highway Agency.