US Bridges

River Road over I-90 Nys Thruway I-90 N

Good

Montgomery County, New York · 6 Miles West of Ft.Plain · Structure no. 000000003367250

Built
1952
73 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
34 ft
1 main span
Daily traffic
360
2021 count
Owner
County
County Highway Agency

About this bridge

River Road over I-90 Nys Thruway I-90 N is a concrete culvert carrying River Road over I-90 Nys Thruway I-90 N in Montgomery County, New York. It was built in 1952, so it is 73 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 360 vehicles a day, roughly 3% of them trucks, projected to reach 504 by 2041. The structure is 34 ft (10.4 m) long and 34 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesRiver Road
CrossesI-90 Nys Thruway I-90 N
Location6 Miles West of Ft.Plain
RouteCounty Highway 0
Coordinates42.98918, -74.7167
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating99 US tons
Inventory rating72 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span29 ft (8.8 m)
Deck width34 ft (10.3 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck15 ft (4.4 m)

Traffic and service

Average daily traffic360 (2021)
Projected traffic504 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$396,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was River Road over I-90 Nys Thruway I-90 N built?

It was built in 1952, making it 73 years old in 2025.

What condition is River Road over I-90 Nys Thruway I-90 N 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 June 2023.

How much traffic does River Road over I-90 Nys Thruway I-90 N carry?

About 360 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is River Road over I-90 Nys Thruway I-90 N?

The structure is 34 ft (10.4 m) long with a longest span of 29 ft (8.8 m) and a deck 34 ft wide.

Who owns River Road over I-90 Nys Thruway I-90 N?

It is owned by the County Highway Agency.