US Bridges

County Road 12 over Malterna Creek

Good

St. Lawrence County, New York · 2.0 MI NE of Wegatchie · Structure no. 000000003341040

Built
2009
16 years old
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
44 ft
1 main span
Daily traffic
800
2019 count
Owner
County
County Highway Agency

About this bridge

County Road 12 over Malterna Creek is a prestressed concrete box beam or girders - multiple carrying County Road 12 over Malterna Creek in St. Lawrence County, New York. It was built in 2009, so it is 16 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 800 vehicles a day, roughly 7% of them trucks, projected to reach 1,120 by 2039. The structure is 44 ft (13.4 m) long and 33 ft wide. If it were closed, the detour would be 13.7 mi (22 km).

Location

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CarriesCounty Road 12
CrossesMalterna Creek
Location2.0 MI NE of Wegatchie
RouteCounty Highway 0
CountySt. Lawrence County
StateNew York
Coordinates44.3121, -75.54305
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating70.3 US tons
Inventory rating54.2 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length44 ft (13.4 m)
Longest span41 ft (12.5 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2019)
Projected traffic1,120 by 2039
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13.7 mi (22 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$797,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 12 over Malterna Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is County Road 12 over Malterna 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 November 2023.

How much traffic does County Road 12 over Malterna Creek carry?

About 800 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is County Road 12 over Malterna Creek?

The structure is 44 ft (13.4 m) long with a longest span of 41 ft (12.5 m) and a deck 33 ft wide.

Who owns County Road 12 over Malterna Creek?

It is owned by the County Highway Agency.