US Bridges

RTE 304 over 87IX RTE I87

Fair

Rockland County, New York · JCT SH 304 & I87/I287 · Structure no. 000000001045400

Built
1953
72 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
225 ft
4 main spans
Daily traffic
26,718
2017 count
Owner
State
State Highway Agency

About this bridge

RTE 304 over 87IX RTE I87 is a steel stringer/multi-beam or girder carrying RTE 304 over 87IX RTE I87 in Rockland County, New York. It was built in 1953, so it is 72 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 26,718 vehicles a day, roughly 3% of them trucks, projected to reach 26,843 by 2041. The structure is 225 ft (68.6 m) long and 93 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesRTE 304
Crosses87IX RTE I87
LocationJCT SH 304 & I87/I287
RouteState Highway 304
CountyRockland County
StateNew York
Coordinates41.10212, -73.99744
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionAugust 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 rating66 US tons
Inventory rating39 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length225 ft (68.6 m)
Longest span66 ft (20.1 m)
Deck width93 ft (28.3 m)
Roadway width83 ft (25.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,718 (2017)
Projected traffic26,843 by 2041
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$14.4 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 304 over 87IX RTE I87 built?

It was built in 1953, making it 72 years old in 2025.

What condition is RTE 304 over 87IX RTE I87 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 August 2023.

How much traffic does RTE 304 over 87IX RTE I87 carry?

About 26,718 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is RTE 304 over 87IX RTE I87?

The structure is 225 ft (68.6 m) long with a longest span of 66 ft (20.1 m) and a deck 93 ft wide.

Who owns RTE 304 over 87IX RTE I87?

It is owned by the State Highway Agency and maintained by the State Toll Authority.