US Bridges

RTE I90 over Nys Route 30A

Fair

Montgomery County, New York · 03MI N JCT Rts 5S+30A · Structure no. 000000005021410

Built
1955
70 years old, rebuilt 1981
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
131 ft
3 main spans
Daily traffic
20,726
2020 count
Owner
Toll Authority
State Toll Authority

About this bridge

RTE I90 over Nys Route 30A is a steel stringer/multi-beam or girder carrying RTE I90 over Nys Route 30A in Montgomery County, New York. It was built in 1955 and reconstructed in 1981, so it is 70 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 20,726 vehicles a day, roughly 32% of them trucks, projected to reach 23,880 by 2041. The structure is 131 ft (39.9 m) long and 112 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

Location

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CarriesRTE I90
CrossesNys Route 30A
Location03MI N JCT Rts 5S+30A
RouteInterstate 90
CountyMontgomery County
StateNew York
Coordinates42.94719, -74.37092
Functional classUrban 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating39.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length131 ft (39.9 m)
Longest span73 ft (22.3 m)
Deck width112 ft (34.1 m)
Roadway width109 ft (33.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,726 (2020)
Projected traffic23,880 by 2041
Trucks32%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed12.4 mi (20 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$4.5 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE I90 over Nys Route 30A built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1981.

What condition is RTE I90 over Nys Route 30A 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 July 2023.

How much traffic does RTE I90 over Nys Route 30A carry?

About 20,726 vehicles per day (2020 count), of which roughly 32% are trucks.

How long is RTE I90 over Nys Route 30A?

The structure is 131 ft (39.9 m) long with a longest span of 73 ft (22.3 m) and a deck 112 ft wide.

Who owns RTE I90 over Nys Route 30A?

It is owned by the State Toll Authority.