US Bridges

Lafayette Ave over I-287

Fair

Morris County, New Jersey · At JCT CR 510 and I-287 · Structure no. 1419179

Built
1972
53 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
213 ft
2 main spans
Daily traffic
10,355
2023 count
Owner
State
State Highway Agency

About this bridge

Lafayette Ave over I-287 is a steel stringer/multi-beam or girder carrying Lafayette Ave over I-287 in Morris County, New Jersey. It was built in 1972, so it is 53 years old, younger than the New Jersey average of 58.5 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 10,355 vehicles a day, roughly 4% of them trucks, projected to reach 14,425 by 2043. The structure is 213 ft (64.9 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesLafayette Ave
CrossesI-287
LocationAt JCT CR 510 and I-287
RouteCounty Highway 510
CountyMorris County
StateNew Jersey
Coordinates40.79859, -74.46761
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
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 alignment6: Equal to present minimum criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length213 ft (64.9 m)
Longest span110 ft (33.5 m)
Deck width51 ft (15.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,355 (2023)
Projected traffic14,425 by 2043
Trucks4%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$11 million (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Lafayette Ave over I-287 built?

It was built in 1972, making it 53 years old in 2025.

What condition is Lafayette Ave over I-287 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 Lafayette Ave over I-287 carry?

About 10,355 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Lafayette Ave over I-287?

The structure is 213 ft (64.9 m) long with a longest span of 110 ft (33.5 m) and a deck 51 ft wide.

Who owns Lafayette Ave over I-287?

It is owned by the State Highway Agency.