US Bridges

County Road 8 over Indian River

Good

St. Lawrence County, New York · .04 M NE RTE 31 and 8 Int · Structure no. 000000003341710

Built
1964
61 years old, rebuilt 2019
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
236 ft
2 main spans
Daily traffic
157
2021 count
Owner
County
County Highway Agency

About this bridge

County Road 8 over Indian River is a steel stringer/multi-beam or girder carrying County Road 8 over Indian River in St. Lawrence County, New York. It was built in 1964 and reconstructed in 2019, so it is 61 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 157 vehicles a day, roughly 5% of them trucks, projected to reach 220 by 2041. The structure is 236 ft (71.9 m) long and 29 ft wide. If it were closed, the detour would be 15.5 mi (25 km).

Location

Open in Google Maps
CarriesCounty Road 8
CrossesIndian River
Location.04 M NE RTE 31 and 8 Int
RouteCounty Highway 0
CountySt. Lawrence County
StateNew York
Coordinates44.37895, -75.65518
Functional classRural Minor Collector

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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating58 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length236 ft (71.9 m)
Longest span115 ft (35 m)
Deck width29 ft (8.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic157 (2021)
Projected traffic220 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed15.5 mi (25 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$2.7 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 8 over Indian River built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2019.

What condition is County Road 8 over Indian River 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 September 2023.

How much traffic does County Road 8 over Indian River carry?

About 157 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is County Road 8 over Indian River?

The structure is 236 ft (71.9 m) long with a longest span of 115 ft (35 m) and a deck 29 ft wide.

Who owns County Road 8 over Indian River?

It is owned by the County Highway Agency.