US Bridges

RTE 104 over Eight Mile Creek

Good

Oswego County, New York · 3.7 MI N JCT SH 104 & SH · Structure no. 000000001036580

Built
1962
63 years old
Condition
Good
inspected August 2024
Type
Frame
Concrete Continuous
Length
43 ft
2 main spans
Daily traffic
3,615
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 104 over Eight Mile Creek is a concrete continuous frame carrying RTE 104 over Eight Mile Creek 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 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 3,615 vehicles a day, roughly 12% of them trucks, projected to reach 3,737 by 2041. The structure is 43 ft (13.1 m) long and 45 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesRTE 104
CrossesEight Mile Creek
Location3.7 MI N JCT SH 104 & SH
RouteState Highway 104
Coordinates43.38009, -76.57203
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.1 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length43 ft (13.1 m)
Longest span16 ft (4.8 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,615 (2021)
Projected traffic3,737 by 2041
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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$1.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 104 over Eight Mile Creek built?

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

What condition is RTE 104 over Eight 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 August 2024.

How much traffic does RTE 104 over Eight Mile Creek carry?

About 3,615 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is RTE 104 over Eight Mile Creek?

The structure is 43 ft (13.1 m) long with a longest span of 16 ft (4.8 m) and a deck 45 ft wide.

Who owns RTE 104 over Eight Mile Creek?

It is owned by the State Highway Agency.