US Bridges

C.R.628 over Birch Creek

Fair

Burlington County, New Jersey · 1 MI N of 628 & 639 JCT · Structure no. 03D3015

Built
1976
49 years old
Condition
Fair
inspected August 2024
Type
Slab
Prestressed Concrete
Length
21 ft
1 main span
Daily traffic
6,345
2024 count
Owner
County
County Highway Agency

About this bridge

C.R.628 over Birch Creek is a prestressed concrete slab carrying C.R.628 over Birch Creek in Burlington County, New Jersey. It was built in 1976, so it is 49 years old, younger 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 6,345 vehicles a day, roughly 3% of them trucks, projected to reach 7,742 by 2044. The structure is 21 ft (6.4 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesC.R.628
CrossesBirch Creek
Location1 MI N of 628 & 639 JCT
RouteCounty Highway 628
Coordinates40.04174, -74.76687
Functional classUrban Collector

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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 rating40 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span20 ft (6.1 m)
Deck width30 ft (9.2 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,345 (2024)
Projected traffic7,742 by 2044
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was C.R.628 over Birch Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is C.R.628 over Birch Creek 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 August 2024.

How much traffic does C.R.628 over Birch Creek carry?

About 6,345 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is C.R.628 over Birch Creek?

The structure is 21 ft (6.4 m) long with a longest span of 20 ft (6.1 m) and a deck 30 ft wide.

Who owns C.R.628 over Birch Creek?

It is owned by the County Highway Agency.