US Bridges

Frontenac Road over Trumansburg Creek

PoorPosted for load

Seneca County, New York · 7.9 MI SE of Interlaken · Structure no. 000000002209490

Built
1940
85 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
53 ft
3 main spans
Daily traffic
164
2017 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Frontenac Road over Trumansburg Creek is a wood or timber stringer/multi-beam or girder carrying Frontenac Road over Trumansburg Creek in Seneca County, New York. It was built in 1940, so it is 85 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 164 vehicles a day, roughly 9% of them trucks, projected to reach 230 by 2037. The structure is 53 ft (16.2 m) long and 23 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesFrontenac Road
CrossesTrumansburg Creek
Location7.9 MI SE of Interlaken
Coordinates42.55847, -76.62658
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating5 US tons
Inventory rating5 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadUnknown
Structure length53 ft (16.2 m)
Longest span17 ft (5.1 m)
Deck width23 ft (7.1 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic164 (2017)
Projected traffic230 by 2037
Trucks9%
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

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$514,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Frontenac Road over Trumansburg Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is Frontenac Road over Trumansburg Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Frontenac Road over Trumansburg Creek carry?

About 164 vehicles per day (2017 count), of which roughly 9% are trucks.

How long is Frontenac Road over Trumansburg Creek?

The structure is 53 ft (16.2 m) long with a longest span of 17 ft (5.1 m) and a deck 23 ft wide.

Who owns Frontenac Road over Trumansburg Creek?

It is owned by the Town or Township Highway Agency.