US Bridges

RTE I81 over Dykeman Creek

Fair

Oswego County, New York · 2.9 MI N JCT Rts I81SB+49 · Structure no. 000000001031801

Built
1960
65 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
11,875
2013 count
Owner
State
State Highway Agency

About this bridge

RTE I81 over Dykeman Creek is a concrete continuous culvert carrying RTE I81 over Dykeman Creek in Oswego County, New York. It was built in 1960, so it is 65 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 11,875 vehicles a day, roughly 16% of them trucks. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE I81
CrossesDykeman Creek
Location2.9 MI N JCT Rts I81SB+49
RouteInterstate 81
Coordinates43.14206, -76.10871
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89 US tons
Inventory rating53 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length27 ft (8.2 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,875 (2013)
Projected traffic—
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$431,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE I81 over Dykeman Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is RTE I81 over Dykeman Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does RTE I81 over Dykeman Creek carry?

About 11,875 vehicles per day (2013 count), of which roughly 16% are trucks.

How long is RTE I81 over Dykeman Creek?

The structure is 27 ft (8.2 m) long with a longest span of 13 ft (4 m).

Who owns RTE I81 over Dykeman Creek?

It is owned by the State Highway Agency.