US Bridges

Comly RD Alt CR511 over Montclair Line&park Ave.

Fair

Morris County, New Jersey · 3.6 MI NE I-287&US202 JCT · Structure no. 1462150

Built
1936
89 years old, rebuilt 1996
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
259 ft
1 main span
Daily traffic
8,880
2023 count
Owner
Unknown
Unknown

About this bridge

Comly RD Alt CR511 over Montclair Line&park Ave. is a steel stringer/multi-beam or girder carrying Comly RD Alt CR511 over Montclair Line&park Ave. in Morris County, New Jersey. It was built in 1936 and reconstructed in 1996, so it is 89 years old, older 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 8,880 vehicles a day, roughly 4% of them trucks, projected to reach 11,970 by 2043. The structure is 259 ft (78.9 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesComly RD Alt CR511
CrossesMontclair Line&park Ave.
Location3.6 MI NE I-287&US202 JCT
RouteCounty Highway 511
CountyMorris County
StateNew Jersey
Coordinates40.92401, -74.30258
Functional classUrban Minor 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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating89.9 US tons
Inventory rating54 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+5 approach)
Design loadHS 25 or greater
Structure length259 ft (78.9 m)
Longest span85 ft (25.9 m)
Deck width47 ft (14.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,880 (2023)
Projected traffic11,970 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerUnknown
Maintained byOther State Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Comly RD Alt CR511 over Montclair Line&park Ave. built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1996.

What condition is Comly RD Alt CR511 over Montclair Line&park Ave. 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 January 2023.

How much traffic does Comly RD Alt CR511 over Montclair Line&park Ave. carry?

About 8,880 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Comly RD Alt CR511 over Montclair Line&park Ave.?

The structure is 259 ft (78.9 m) long with a longest span of 85 ft (25.9 m) and a deck 47 ft wide.

Who owns Comly RD Alt CR511 over Montclair Line&park Ave.?

It is owned by the Unknown and maintained by the Other State Agency.