US Bridges

RTE 104A over Nine Mile Creek Nine MI

Good

Oswego County, New York · .5 MI NE Cayuga Cl & SH10 · Structure no. 000000001036680

Built
1962
63 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete Continuous
Length
39 ft
2 main spans
Daily traffic
2,142
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 104A over Nine Mile Creek Nine MI is a concrete continuous culvert carrying RTE 104A over Nine Mile Creek Nine MI in Oswego County, New York. It was built in 1962, so it is 63 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 2,142 vehicles a day, roughly 8% of them trucks, projected to reach 2,994 by 2041. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRTE 104A
CrossesNine Mile Creek Nine MI
Location.5 MI NE Cayuga Cl & SH10
RouteState Highway 104A
Coordinates43.38483, -76.60597
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.5 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length39 ft (11.9 m)
Longest span19 ft (5.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,142 (2021)
Projected traffic2,994 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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$639,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 104A over Nine Mile Creek Nine MI built?

It was built in 1962, making it 63 years old in 2025.

What condition is RTE 104A over Nine Mile Creek Nine MI 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 104A over Nine Mile Creek Nine MI carry?

About 2,142 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is RTE 104A over Nine Mile Creek Nine MI?

The structure is 39 ft (11.9 m) long with a longest span of 19 ft (5.8 m).

Who owns RTE 104A over Nine Mile Creek Nine MI?

It is owned by the State Highway Agency.