US Bridges

Smith Road over Deer River

Good

St. Lawrence County, New York · 2.9 Miles S of Helena · Structure no. 000000003340580

Built
2008
17 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
100 ft
1 main span
Daily traffic
153
2018 count
Owner
County
County Highway Agency

About this bridge

Smith Road over Deer River is a steel stringer/multi-beam or girder carrying Smith Road over Deer River in St. Lawrence County, New York. It was built in 2008, so it is 17 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 153 vehicles a day, roughly 2% of them trucks, projected to reach 214 by 2038. The structure is 100 ft (30.5 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSmith Road
CrossesDeer River
Location2.9 Miles S of Helena
Coordinates44.89239, -74.69336
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating60 US tons
Inventory rating46.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length100 ft (30.5 m)
Longest span95 ft (29 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic153 (2018)
Projected traffic214 by 2038
Trucks2%
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$1.3 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Smith Road over Deer River built?

It was built in 2008, making it 17 years old in 2025.

What condition is Smith 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 June 2024.

How much traffic does Smith Road over Deer River carry?

About 153 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is Smith Road over Deer River?

The structure is 100 ft (30.5 m) long with a longest span of 95 ft (29 m) and a deck 27 ft wide.

Who owns Smith Road over Deer River?

It is owned by the County Highway Agency.