US Bridges

County Route 3 over Black Creek

Good

St. Lawrence County, New York · 1.5 MI SE JCT SR 37 + CR3 · Structure no. 000000003370420

Built
2007
18 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
70 ft
1 main span
Daily traffic
387
2020 count
Owner
County
County Highway Agency

About this bridge

County Route 3 over Black Creek is a steel stringer/multi-beam or girder carrying County Route 3 over Black Creek in St. Lawrence County, New York. It was built in 2007, so it is 18 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 387 vehicles a day, roughly 9% of them trucks, projected to reach 542 by 2040. The structure is 70 ft (21.3 m) long and 32 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesCounty Route 3
CrossesBlack Creek
Location1.5 MI SE JCT SR 37 + CR3
RouteCounty Highway 0
Coordinates44.42048, -75.69418
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96 US tons
Inventory rating57 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length70 ft (21.3 m)
Longest span68 ft (20.7 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic387 (2020)
Projected traffic542 by 2040
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$818,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Route 3 over Black Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is County Route 3 over Black 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 May 2024.

How much traffic does County Route 3 over Black Creek carry?

About 387 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is County Route 3 over Black Creek?

The structure is 70 ft (21.3 m) long with a longest span of 68 ft (20.7 m) and a deck 32 ft wide.

Who owns County Route 3 over Black Creek?

It is owned by the County Highway Agency.