US Bridges

County Road 75 over Mill Creek

Good

Jefferson County, New York · 1 MI E of Sackets Harbor · Structure no. 000000003338840

Built
1927
98 years old, rebuilt 2018
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
53 ft
1 main span
Daily traffic
2,415
2021 count
Owner
County
County Highway Agency

About this bridge

County Road 75 over Mill Creek is a steel stringer/multi-beam or girder carrying County Road 75 over Mill Creek in Jefferson County, New York. It was built in 1927 and reconstructed in 2018, so it is 98 years old, older 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,415 vehicles a day, roughly 4% of them trucks, projected to reach 3,381 by 2041. The structure is 53 ft (16.3 m) long and 33 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCounty Road 75
CrossesMill Creek
Location1 MI E of Sackets Harbor
RouteCounty Highway 0
Coordinates43.95075, -76.09812
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
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 alignment8: Equal to present desirable criteria
Operating rating68 US tons
Inventory rating41 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length53 ft (16.3 m)
Longest span48 ft (14.6 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,415 (2021)
Projected traffic3,381 by 2041
Trucks4%
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$1.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 75 over Mill Creek built?

It was built in 1927, making it 98 years old in 2025. It was reconstructed in 2018.

What condition is County Road 75 over 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 October 2024.

How much traffic does County Road 75 over Mill Creek carry?

About 2,415 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is County Road 75 over Mill Creek?

The structure is 53 ft (16.3 m) long with a longest span of 48 ft (14.6 m) and a deck 33 ft wide.

Who owns County Road 75 over Mill Creek?

It is owned by the County Highway Agency.