US Bridges

RTE I90 over River RD Unnamed Stream

Fair

Montgomery County, New York · 10.9 MI W I-90 Int 29 · Structure no. 000000005516001

Built
1954
71 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
53 ft
1 main span
Daily traffic
11,090
2014 count
Owner
Toll Authority
State Toll Authority

About this bridge

RTE I90 over River RD Unnamed Stream is a steel stringer/multi-beam or girder carrying RTE I90 over River RD Unnamed Stream in Montgomery County, New York. It was built in 1954, so it is 71 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 5 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 11,090 vehicles a day, roughly 23% of them trucks. The structure is 53 ft (16.3 m) long and 56 ft wide. If it were closed, the detour would be 17.4 mi (28 km).

Location

Open in Google Maps
CarriesRTE I90
CrossesRiver RD Unnamed Stream
Location10.9 MI W I-90 Int 29
RouteInterstate 90
CountyMontgomery County
StateNew York
Coordinates42.9893, -74.71678
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length53 ft (16.3 m)
Longest span49 ft (14.9 m)
Deck width56 ft (17.1 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,090 (2014)
Projected traffic—
Trucks23%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
Detour if closed17.4 mi (28 km)
TollOn an Interstate toll segment under Secretarial agreement
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusHistorical significance not determinable at this time
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 RTE I90 over River RD Unnamed Stream built?

It was built in 1954, making it 71 years old in 2025.

What condition is RTE I90 over River RD Unnamed Stream 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 April 2023.

How much traffic does RTE I90 over River RD Unnamed Stream carry?

About 11,090 vehicles per day (2014 count), of which roughly 23% are trucks.

How long is RTE I90 over River RD Unnamed Stream?

The structure is 53 ft (16.3 m) long with a longest span of 49 ft (14.9 m) and a deck 56 ft wide.

Who owns RTE I90 over River RD Unnamed Stream?

It is owned by the State Toll Authority.