US Bridges

Mill Street over Ninemile Creek

Good

Oswego County, New York · 0.2 MI N Route 3 · Structure no. 000000003257670

Built
1965
60 years old, rebuilt 2019
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
39 ft
1 main span
Daily traffic
247
2017 count
Owner
County
County Highway Agency

About this bridge

Mill Street over Ninemile Creek is a steel stringer/multi-beam or girder carrying Mill Street over Ninemile Creek in Oswego County, New York. It was built in 1965 and reconstructed in 2019, so it is 60 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 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 247 vehicles a day, roughly 9% of them trucks, projected to reach 346 by 2037. The structure is 39 ft (11.9 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesMill Street
CrossesNinemile Creek
Location0.2 MI N Route 3
Coordinates43.32411, -76.57929
Functional classRural Local

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.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum 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 alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating110.1 US tons
Inventory rating88 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span37 ft (11.3 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic247 (2017)
Projected traffic346 by 2037
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$480,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mill Street over Ninemile Creek built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2019.

What condition is Mill Street over Ninemile 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 December 2023.

How much traffic does Mill Street over Ninemile Creek carry?

About 247 vehicles per day (2017 count), of which roughly 9% are trucks.

How long is Mill Street over Ninemile Creek?

The structure is 39 ft (11.9 m) long with a longest span of 37 ft (11.3 m) and a deck 24 ft wide.

Who owns Mill Street over Ninemile Creek?

It is owned by the County Highway Agency.