US Bridges

CR617 (sussex Ave) over Whippany River

Fair

Morris County, New Jersey · 1.6MI NW US202&CR617 JCT · Structure no. 1400598

Built
1947
78 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
1 main span
Daily traffic
13,160
2023 count
Owner
County
County Highway Agency

About this bridge

CR617 (sussex Ave) over Whippany River is a steel stringer/multi-beam or girder carrying CR617 (sussex Ave) over Whippany River in Morris County, New Jersey. It was built in 1947, so it is 78 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 13,160 vehicles a day, roughly 4% of them trucks, projected to reach 16,056 by 2043. The structure is 36 ft (11 m) long and 47 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCR617 (sussex Ave)
CrossesWhippany River
Location1.6MI NW US202&CR617 JCT
RouteCounty Highway 617
CountyMorris County
StateNew Jersey
Coordinates40.81238, -74.51163
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating30 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length36 ft (11 m)
Longest span35 ft (10.7 m)
Deck width47 ft (14.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,160 (2023)
Projected traffic16,056 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 CR617 (sussex Ave) over Whippany River built?

It was built in 1947, making it 78 years old in 2025.

What condition is CR617 (sussex Ave) 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 June 2023.

How much traffic does CR617 (sussex Ave) over Whippany River carry?

About 13,160 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is CR617 (sussex Ave) over Whippany River?

The structure is 36 ft (11 m) long with a longest span of 35 ft (10.7 m) and a deck 47 ft wide.

Who owns CR617 (sussex Ave) over Whippany River?

It is owned by the County Highway Agency.