US Bridges

Coon Bridges Road over Indian River

Fair

Jefferson County, New York · 1.0 MI E of Theresa · Structure no. 000000003339330

Built
1931
94 years old
Condition
Fair
inspected September 2023
Type
Truss - Thru
Steel
Length
59 ft
1 main span
Daily traffic
138
2019 count
Owner
County
County Highway Agency

About this bridge

Coon Bridges Road over Indian River is a steel truss - thru carrying Coon Bridges Road over Indian River in Jefferson County, New York. It was built in 1931, so it is 94 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 138 vehicles a day, roughly 17% of them trucks, projected to reach 193 by 2039. The structure is 59 ft (18 m) long and 17 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCoon Bridges Road
CrossesIndian River
Location1.0 MI E of Theresa
CountyJefferson County
StateNew York
Coordinates44.19358, -75.78283
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating56 US tons
Inventory rating40 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length59 ft (18 m)
Longest span55 ft (16.7 m)
Deck width17 ft (5.2 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic138 (2019)
Projected traffic193 by 2039
Trucks17%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$1.4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Coon Bridges Road over Indian River built?

It was built in 1931, making it 94 years old in 2025.

What condition is Coon Bridges Road over Indian River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.

How much traffic does Coon Bridges Road over Indian River carry?

About 138 vehicles per day (2019 count), of which roughly 17% are trucks.

How long is Coon Bridges Road over Indian River?

The structure is 59 ft (18 m) long with a longest span of 55 ft (16.7 m) and a deck 17 ft wide.

Who owns Coon Bridges Road over Indian River?

It is owned by the County Highway Agency.