US Bridges

Liberty Road over Deer River

Poor

Lewis County, New York · 0.4 MI S of New Boston · Structure no. 000000003340290

Built
1965
60 years old
Condition
Poor
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
29 ft
1 main span
Daily traffic
159
2017 count
Owner
County
County Highway Agency

About this bridge

Liberty Road over Deer River is a steel stringer/multi-beam or girder carrying Liberty Road over Deer River in Lewis County, New York. It was built in 1965, so it is 60 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.

It carries about 159 vehicles a day, roughly 16% of them trucks, projected to reach 223 by 2037. The structure is 29 ft (8.8 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesLiberty Road
CrossesDeer River
Location0.4 MI S of New Boston
RouteCounty Highway 0
CountyLewis County
StateNew York
Coordinates43.79493, -75.74698
Functional classRural Minor Collector

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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating29 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span26 ft (7.9 m)
Deck width18 ft (5.6 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic159 (2017)
Projected traffic223 by 2037
Trucks16%
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 proposedDeck replacement with only incidental widening
Estimated improvement cost$440,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Liberty Road over Deer River built?

It was built in 1965, making it 60 years old in 2025.

What condition is Liberty Road over Deer River 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 September 2023.

How much traffic does Liberty Road over Deer River carry?

About 159 vehicles per day (2017 count), of which roughly 16% are trucks.

How long is Liberty Road over Deer River?

The structure is 29 ft (8.8 m) long with a longest span of 26 ft (7.9 m) and a deck 18 ft wide.

Who owns Liberty Road over Deer River?

It is owned by the County Highway Agency.