US Bridges

CR 644 over Nj 38

Fair

Camden County, New Jersey · 1.3 MI N of Nj 70 · Structure no. 0408155

Built
1957
68 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
111 ft
2 main spans
Daily traffic
30,184
2023 count
Owner
State
State Highway Agency

About this bridge

CR 644 over Nj 38 is a prestressed concrete stringer/multi-beam or girder carrying CR 644 over Nj 38 in Camden County, New Jersey. It was built in 1957, so it is 68 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 30,184 vehicles a day, roughly 4% of them trucks, projected to reach 36,831 by 2043. The structure is 111 ft (33.8 m) long and 62 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCR 644
CrossesNj 38
Location1.3 MI N of Nj 70
RouteCounty Highway 644
CountyCamden County
StateNew Jersey
Coordinates39.93822, -75.03
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.
Substructure7 GoodSome minor problems.
Last inspectionMay 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 alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length111 ft (33.8 m)
Longest span54 ft (16.5 m)
Deck width62 ft (18.9 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,184 (2023)
Projected traffic36,831 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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$202,000 (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was CR 644 over Nj 38 built?

It was built in 1957, making it 68 years old in 2025.

What condition is CR 644 over Nj 38 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 May 2023.

How much traffic does CR 644 over Nj 38 carry?

About 30,184 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is CR 644 over Nj 38?

The structure is 111 ft (33.8 m) long with a longest span of 54 ft (16.5 m) and a deck 62 ft wide.

Who owns CR 644 over Nj 38?

It is owned by the State Highway Agency.