US Bridges

RTE 104A over Eight Mile Creek

Good

Oswego County, New York · 1.3 MI NE Cayuga Cl &104A · Structure no. 000000001036690

Built
1994
31 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
2,142
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 104A over Eight Mile Creek is a concrete culvert carrying RTE 104A over Eight Mile Creek in Oswego County, New York. It was built in 1994, so it is 31 years old, younger 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 22 ft (6.7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRTE 104A
CrossesEight Mile Creek
Location1.3 MI NE Cayuga Cl &104A
RouteState Highway 104A
Coordinates43.39329, -76.59442
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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length22 ft (6.7 m)
Longest span21 ft (6.4 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$648,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 104A over Eight Mile Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is RTE 104A 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 April 2024.

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

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

How long is RTE 104A over Eight Mile Creek?

The structure is 22 ft (6.7 m) long with a longest span of 21 ft (6.4 m).

Who owns RTE 104A over Eight Mile Creek?

It is owned by the State Highway Agency.