US Bridges

Foster Road over Deer River

Good

St. Lawrence County, New York · 1.0 MI SE of Lawrencevill · Structure no. 000000003221310

Built
2016
9 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
86 ft
1 main span
Daily traffic
92
2018 count
Owner
County
County Highway Agency

About this bridge

Foster Road over Deer River is a prestressed concrete box beam or girders - multiple carrying Foster Road over Deer River in St. Lawrence County, New York. It was built in 2016, so it is 9 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 92 vehicles a day, roughly 24% of them trucks, projected to reach 129 by 2038. The structure is 86 ft (26.2 m) long and 28 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesFoster Road
CrossesDeer River
Location1.0 MI SE of Lawrencevill
Coordinates44.76684, -74.65216
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 inspectionSeptember 2024
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 alignment6: Equal to present minimum criteria
Operating rating89.9 US tons
Inventory rating68.2 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length86 ft (26.2 m)
Longest span85 ft (25.9 m)
Deck width28 ft (8.6 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic92 (2018)
Projected traffic129 by 2038
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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$745,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Foster Road over Deer River built?

It was built in 2016, making it 9 years old in 2025.

What condition is Foster Road over Deer River 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 September 2024.

How much traffic does Foster Road over Deer River carry?

About 92 vehicles per day (2018 count), of which roughly 24% are trucks.

How long is Foster Road over Deer River?

The structure is 86 ft (26.2 m) long with a longest span of 85 ft (25.9 m) and a deck 28 ft wide.

Who owns Foster Road over Deer River?

It is owned by the County Highway Agency.