US Bridges

Dug Road over Salmon Creek

PoorPosted for load

Tompkins County, New York · 2.3 M NW of Rt 34 · Structure no. 000000003210090

Built
1900
125 years old, rebuilt 1959
Condition
Poor
inspected August 2024
Type
Girder and Floorbeam System
Steel
Length
81 ft
1 main span
Daily traffic
62
2021 count
Owner
County
County Highway Agency

About this bridge

Dug Road over Salmon Creek is a steel girder and floorbeam system carrying Dug Road over Salmon Creek in Tompkins County, New York. It was built in 1900 and reconstructed in 1959, so it is 125 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 4 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 62 vehicles a day, roughly 9% of them trucks, projected to reach 87 by 2041. The structure is 81 ft (24.7 m) long and 14 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesDug Road
CrossesSalmon Creek
Location2.3 M NW of Rt 34
Coordinates42.55386, -76.53501
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating27 US tons
Inventory rating16 US tons

Structure

MaterialSteel
DeckOpen grating
Main spans1
Design loadUnknown
Structure length81 ft (24.7 m)
Longest span78 ft (23.7 m)
Deck width14 ft (4.4 m)
Roadway width11 ft (3.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic62 (2021)
Projected traffic87 by 2041
Trucks9%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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$635,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Dug Road over Salmon Creek built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1959.

What condition is Dug Road over Salmon 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 August 2024.

How much traffic does Dug Road over Salmon Creek carry?

About 62 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is Dug Road over Salmon Creek?

The structure is 81 ft (24.7 m) long with a longest span of 78 ft (23.7 m) and a deck 14 ft wide.

Who owns Dug Road over Salmon Creek?

It is owned by the County Highway Agency.