US Bridges

CR 641 over Bobbys Run

Fair

Burlington County, New Jersey · .1 Mi.E CO RTE 541 · Structure no. 03D4088

Built
1905
120 years old, rebuilt 1979
Condition
Fair
inspected June 2024
Type
Slab
Prestressed Concrete
Length
33 ft
1 main span
Daily traffic
2,321
2024 count
Owner
County
County Highway Agency

About this bridge

CR 641 over Bobbys Run is a prestressed concrete slab carrying CR 641 over Bobbys Run in Burlington County, New Jersey. It was built in 1905 and reconstructed in 1979, so it is 120 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 2,321 vehicles a day, roughly 1% of them trucks, projected to reach 2,832 by 2044. The structure is 33 ft (10.1 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCR 641
CrossesBobbys Run
Location.1 Mi.E CO RTE 541
RouteCounty Highway 641
Coordinates39.96328, -74.80527
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating41 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length33 ft (10.1 m)
Longest span32 ft (9.8 m)
Deck width33 ft (10.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,321 (2024)
Projected traffic2,832 by 2044
Trucks1%
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 641 over Bobbys Run built?

It was built in 1905, making it 120 years old in 2025. It was reconstructed in 1979.

What condition is CR 641 over Bobbys Run 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 2024.

How much traffic does CR 641 over Bobbys Run carry?

About 2,321 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is CR 641 over Bobbys Run?

The structure is 33 ft (10.1 m) long with a longest span of 32 ft (9.8 m) and a deck 33 ft wide.

Who owns CR 641 over Bobbys Run?

It is owned by the County Highway Agency.