US Bridges

Garond Road over Allen Brook

Good

St. Lawrence County, New York · 4.2 Miles NW of Lawrencev · Structure no. 000000003221360

Built
2021
4 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
42
2015 count
Owner
County
County Highway Agency

About this bridge

Garond Road over Allen Brook is a prestressed concrete box beam or girders - multiple carrying Garond Road over Allen Brook in St. Lawrence County, New York. It was built in 2021, so it is 4 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 42 vehicles a day, projected to reach 59 by 2035. The structure is 46 ft (14 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesGarond Road
CrossesAllen Brook
Location4.2 Miles NW of Lawrencev
Coordinates44.78468, -74.70145
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior 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 rating100 US tons
Inventory rating60 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length46 ft (14 m)
Longest span44 ft (13.4 m)
Deck width29 ft (8.7 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42 (2015)
Projected traffic59 by 2035
Trucks0%
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$313,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Garond Road over Allen Brook built?

It was built in 2021, making it 4 years old in 2025.

What condition is Garond Road over Allen Brook 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 October 2023.

How much traffic does Garond Road over Allen Brook carry?

About 42 vehicles per day (2015 count).

How long is Garond Road over Allen Brook?

The structure is 46 ft (14 m) long with a longest span of 44 ft (13.4 m) and a deck 29 ft wide.

Who owns Garond Road over Allen Brook?

It is owned by the County Highway Agency.