US Bridges

RTE I90 over Exit 29A Off Ramp to Ny-

Fair

Herkimer County, New York · RTE 90-I at Int 29A · Structure no. 000000005510001

Built
1973
52 years old, rebuilt 1994
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
109 ft
1 main span
Daily traffic
11,090
2014 count
Owner
Toll Authority
State Toll Authority

About this bridge

RTE I90 over Exit 29A Off Ramp to Ny- is a steel stringer/multi-beam or girder carrying RTE I90 over Exit 29A Off Ramp to Ny- in Herkimer County, New York. It was built in 1973 and reconstructed in 1994, so it is 52 years old, younger 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, projected to reach 15,526 by 2034. The structure is 109 ft (33.2 m) long and 57 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesRTE I90
CrossesExit 29A Off Ramp to Ny-
LocationRTE 90-I at Int 29A
RouteInterstate 90
CountyHerkimer County
StateNew York
Coordinates43.01667, -74.81772
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
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 rating69 US tons
Inventory rating35.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length109 ft (33.2 m)
Longest span105 ft (32 m)
Deck width57 ft (17.5 m)
Roadway width54 ft (16.6 m)
Vertical clearance over deck107 ft (32.7 m)

Traffic and service

Average daily traffic11,090 (2014)
Projected traffic15,526 by 2034
Trucks23%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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 statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$2.8 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE I90 over Exit 29A Off Ramp to Ny- built?

It was built in 1973, making it 52 years old in 2025. It was reconstructed in 1994.

What condition is RTE I90 over Exit 29A Off Ramp to Ny- 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 June 2024.

How much traffic does RTE I90 over Exit 29A Off Ramp to Ny- carry?

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

How long is RTE I90 over Exit 29A Off Ramp to Ny-?

The structure is 109 ft (33.2 m) long with a longest span of 105 ft (32 m) and a deck 57 ft wide.

Who owns RTE I90 over Exit 29A Off Ramp to Ny-?

It is owned by the State Toll Authority.