US Bridges

CR 506 Spur over Park Road

Fair

Essex County, New Jersey · In Branch Brook Park · Structure no. 0700008

Built
1904
121 years old, rebuilt 1951
Condition
Fair
inspected July 2023
Type
Arch - Deck
Concrete
Length
70 ft
1 main span
Daily traffic
21,669
2023 count
Owner
County
County Highway Agency

About this bridge

CR 506 Spur over Park Road is a concrete arch - deck carrying CR 506 Spur over Park Road in Essex County, New Jersey. It was built in 1904 and reconstructed in 1951, so it is 121 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 21,669 vehicles a day, roughly 4% of them trucks, projected to reach 26,003 by 2043. The structure is 70 ft (21.3 m) long and 103 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCR 506 Spur
CrossesPark Road
LocationIn Branch Brook Park
RouteCounty Highway 506
Coordinates40.76443, -74.17937
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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating61.9 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length70 ft (21.3 m)
Longest span70 ft (21.3 m)
Deck width103 ft (31.5 m)
Roadway width71 ft (21.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,669 (2023)
Projected traffic26,003 by 2043
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$808,000 (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was CR 506 Spur over Park Road built?

It was built in 1904, making it 121 years old in 2025. It was reconstructed in 1951.

What condition is CR 506 Spur over Park 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 2023.

How much traffic does CR 506 Spur over Park Road carry?

About 21,669 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is CR 506 Spur over Park Road?

The structure is 70 ft (21.3 m) long with a longest span of 70 ft (21.3 m) and a deck 103 ft wide.

Who owns CR 506 Spur over Park Road?

It is owned by the County Highway Agency.