US Bridges

RTE 12 over Nine Mile Creek

Good

Oneida County, New York · 7 MI N JCT Rts 12 & 49 · Structure no. 000000001090401

Built
1971
54 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
102 ft
1 main span
Daily traffic
5,147
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 12 over Nine Mile Creek is a steel stringer/multi-beam or girder carrying RTE 12 over Nine Mile Creek in Oneida County, New York. It was built in 1971, so it is 54 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 5,147 vehicles a day, roughly 9% of them trucks, projected to reach 8,032 by 2041. The structure is 102 ft (31.1 m) long and 44 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesRTE 12
CrossesNine Mile Creek
Location7 MI N JCT Rts 12 & 49
RouteState Highway 12
CountyOneida County
StateNew York
Coordinates43.20812, -75.17161
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
Deck7 GoodSome minor problems.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97 US tons
Inventory rating58 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length102 ft (31.1 m)
Longest span98 ft (29.8 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,147 (2020)
Projected traffic8,032 by 2041
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
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$1.5 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 12 over Nine Mile Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is RTE 12 over Nine Mile 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 April 2023.

How much traffic does RTE 12 over Nine Mile Creek carry?

About 5,147 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is RTE 12 over Nine Mile Creek?

The structure is 102 ft (31.1 m) long with a longest span of 98 ft (29.8 m) and a deck 44 ft wide.

Who owns RTE 12 over Nine Mile Creek?

It is owned by the State Highway Agency.