US Bridges

RTE 304 over Town Line Road

Fair

Rockland County, New York · 1.0 MI S JCT Rts 304+59 · Structure no. 000000001091211

Built
1968
57 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
156 ft
3 main spans
Daily traffic
11,438
2017 count
Owner
State
State Highway Agency

About this bridge

RTE 304 over Town Line Road is a steel stringer/multi-beam or girder carrying RTE 304 over Town Line Road in Rockland County, New York. It was built in 1968, so it is 57 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 6 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 11,438 vehicles a day, roughly 3% of them trucks, projected to reach 16,135 by 2041. The structure is 156 ft (47.5 m) long and 33 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesRTE 304
CrossesTown Line Road
Location1.0 MI S JCT Rts 304+59
RouteState Highway 304
CountyRockland County
StateNew York
Coordinates41.0789, -74.00635
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating105.1 US tons
Inventory rating63.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length156 ft (47.5 m)
Longest span56 ft (17 m)
Deck width33 ft (10 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,438 (2017)
Projected traffic16,135 by 2041
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$3.7 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 304 over Town Line Road built?

It was built in 1968, making it 57 years old in 2025.

What condition is RTE 304 over Town Line Road 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 2024.

How much traffic does RTE 304 over Town Line Road carry?

About 11,438 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is RTE 304 over Town Line Road?

The structure is 156 ft (47.5 m) long with a longest span of 56 ft (17 m) and a deck 33 ft wide.

Who owns RTE 304 over Town Line Road?

It is owned by the State Highway Agency.