US Bridges

Soper Mills Road over Catfish Creek

PoorPosted for load

Oswego County, New York · 4.8 Miles NW of Mexico · Structure no. 000000003209070

Built
1930
95 years old
Condition
Poor
inspected September 2024
Type
Tee Beam
Concrete
Length
34 ft
1 main span
Daily traffic
143
2019 count
Owner
County
County Highway Agency

About this bridge

Soper Mills Road over Catfish Creek is a concrete tee beam carrying Soper Mills Road over Catfish Creek in Oswego County, New York. It was built in 1930, so it is 95 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 143 vehicles a day, roughly 9% of them trucks, projected to reach 200 by 2039. The structure is 34 ft (10.4 m) long and 23 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSoper Mills Road
CrossesCatfish Creek
Location4.8 Miles NW of Mexico
Coordinates43.47836, -76.32434
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating8 US tons
Inventory rating8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span32 ft (9.7 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic143 (2019)
Projected traffic200 by 2039
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$1.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Soper Mills Road over Catfish Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is Soper Mills Road over Catfish Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does Soper Mills Road over Catfish Creek carry?

About 143 vehicles per day (2019 count), of which roughly 9% are trucks.

How long is Soper Mills Road over Catfish Creek?

The structure is 34 ft (10.4 m) long with a longest span of 32 ft (9.7 m) and a deck 23 ft wide.

Who owns Soper Mills Road over Catfish Creek?

It is owned by the County Highway Agency.