US Bridges

East Dekalb Road over Tanner Creek

Good

St. Lawrence County, New York · 2 MI SE of East Dekalb · Structure no. 000000003363460

Built
1953
72 years old, rebuilt 2009
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
45 ft
1 main span
Daily traffic
620
2018 count
Owner
County
County Highway Agency

About this bridge

East Dekalb Road over Tanner Creek is a steel stringer/multi-beam or girder carrying East Dekalb Road over Tanner Creek in St. Lawrence County, New York. It was built in 1953 and reconstructed in 2009, so it is 72 years old, older 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 620 vehicles a day, roughly 6% of them trucks, projected to reach 868 by 2038. The structure is 45 ft (13.7 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesEast Dekalb Road
CrossesTanner Creek
Location2 MI SE of East Dekalb
Coordinates44.46745, -75.26052
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.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating105.1 US tons
Inventory rating63.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length45 ft (13.7 m)
Longest span41 ft (12.5 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic620 (2018)
Projected traffic868 by 2038
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$527,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was East Dekalb Road over Tanner Creek built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 2009.

What condition is East Dekalb Road over Tanner 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 October 2023.

How much traffic does East Dekalb Road over Tanner Creek carry?

About 620 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is East Dekalb Road over Tanner Creek?

The structure is 45 ft (13.7 m) long with a longest span of 41 ft (12.5 m) and a deck 27 ft wide.

Who owns East Dekalb Road over Tanner Creek?

It is owned by the County Highway Agency.