US Bridges

CR511 Parsippny RD over Whippany River

Fair

Morris County, New Jersey · 1.2MI NW of I287&NJ10 JCT · Structure no. 1400388

Built
1950
75 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
39 ft
1 main span
Daily traffic
13,541
2023 count
Owner
County
County Highway Agency

About this bridge

CR511 Parsippny RD over Whippany River is a steel stringer/multi-beam or girder carrying CR511 Parsippny RD over Whippany River in Morris County, New Jersey. It was built in 1950, so it is 75 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 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 13,541 vehicles a day, roughly 4% of them trucks, projected to reach 16,522 by 2043. The structure is 39 ft (11.9 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCR511 Parsippny RD
CrossesWhippany River
Location1.2MI NW of I287&NJ10 JCT
RouteCounty Highway 511
CountyMorris County
StateNew Jersey
Coordinates40.82233, -74.4182
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating40 US tons
Inventory rating24 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span37 ft (11.3 m)
Deck width43 ft (13 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,541 (2023)
Projected traffic16,522 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR511 Parsippny RD over Whippany River built?

It was built in 1950, making it 75 years old in 2025.

What condition is CR511 Parsippny RD over Whippany River 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 2023.

How much traffic does CR511 Parsippny RD over Whippany River carry?

About 13,541 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is CR511 Parsippny RD over Whippany River?

The structure is 39 ft (11.9 m) long with a longest span of 37 ft (11.3 m) and a deck 43 ft wide.

Who owns CR511 Parsippny RD over Whippany River?

It is owned by the County Highway Agency.