US Bridges

Retreat Road over Friendship Creek

Fair

Burlington County, New Jersey · 0.1 Mi. W. of Big Hill RD · Structure no. 03E4100

Built
1900
125 years old, rebuilt 2000
Condition
Fair
inspected July 2024
Type
Slab
Wood or Timber
Length
28 ft
2 main spans
Daily traffic
3,494
2024 count
Owner
County
County Highway Agency

About this bridge

Retreat Road over Friendship Creek is a wood or timber slab carrying Retreat Road over Friendship Creek in Burlington County, New Jersey. It was built in 1900 and reconstructed in 2000, so it is 125 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 3,494 vehicles a day, roughly 3% of them trucks, projected to reach 4,262 by 2044. The structure is 28 ft (8.5 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRetreat Road
CrossesFriendship Creek
Location0.1 Mi. W. of Big Hill RD
RouteCity Street 0
Coordinates39.9165, -74.71427
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating97 US tons
Inventory rating72 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span14 ft (4.3 m)
Deck width25 ft (7.7 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,494 (2024)
Projected traffic4,262 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 of existing bridge without deck rehabilitation
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Retreat Road over Friendship Creek built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 2000.

What condition is Retreat Road over Friendship 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 July 2024.

How much traffic does Retreat Road over Friendship Creek carry?

About 3,494 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Retreat Road over Friendship Creek?

The structure is 28 ft (8.5 m) long with a longest span of 14 ft (4.3 m) and a deck 25 ft wide.

Who owns Retreat Road over Friendship Creek?

It is owned by the County Highway Agency.