US Bridges

Ireland Road over Chippewa Creek

Fair

St. Lawrence County, New York · 3 MI S of Brier Hill · Structure no. 000000003341370

Built
1962
63 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
39 ft
1 main span
Daily traffic
103
2020 count
Owner
County
County Highway Agency

About this bridge

Ireland Road over Chippewa Creek is a steel stringer/multi-beam or girder carrying Ireland Road over Chippewa Creek in St. Lawrence 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 fair condition with a lowest component rating of 5 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 103 vehicles a day, roughly 7% of them trucks, projected to reach 144 by 2040. The structure is 39 ft (11.9 m) long and 27 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesIreland Road
CrossesChippewa Creek
Location3 MI S of Brier Hill
CountySt. Lawrence County
StateNew York
Coordinates44.50556, -75.68986
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating54 US tons
Inventory rating32 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span35 ft (10.6 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic103 (2020)
Projected traffic144 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$665,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Ireland Road over Chippewa Creek built?

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

What condition is Ireland Road over Chippewa 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 September 2024.

How much traffic does Ireland Road over Chippewa Creek carry?

About 103 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is Ireland Road over Chippewa Creek?

The structure is 39 ft (11.9 m) long with a longest span of 35 ft (10.6 m) and a deck 27 ft wide.

Who owns Ireland Road over Chippewa Creek?

It is owned by the County Highway Agency.