US Bridges

CR 31 over Little Sucker Brk

Fair

St. Lawrence County, New York · 3 MI W of Chipman · Structure no. 000000003342060

Built
1982
43 years old
Condition
Fair
inspected May 2023
Type
Culvert
Steel
Length
27 ft
3 main spans
Daily traffic
529
2018 count
Owner
County
County Highway Agency

About this bridge

CR 31 over Little Sucker Brk is a steel culvert carrying CR 31 over Little Sucker Brk in St. Lawrence County, New York. It was built in 1982, so it is 43 years old, younger 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 529 vehicles a day, roughly 6% of them trucks, projected to reach 741 by 2038. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR 31
CrossesLittle Sucker Brk
Location3 MI W of Chipman
RouteCounty Highway 0
Coordinates44.78407, -75.24226
Functional classRural Minor Collector

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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: 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 rating81.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic529 (2018)
Projected traffic741 by 2038
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$201,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 31 over Little Sucker Brk built?

It was built in 1982, making it 43 years old in 2025.

What condition is CR 31 over Little Sucker Brk 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 May 2023.

How much traffic does CR 31 over Little Sucker Brk carry?

About 529 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is CR 31 over Little Sucker Brk?

The structure is 27 ft (8.2 m) long with a longest span of 7 ft (2.1 m).

Who owns CR 31 over Little Sucker Brk?

It is owned by the County Highway Agency.