US Bridges

Nj 47 over Big Timber Creek

Poor

Gloucester County, New Jersey · 0.12 MI South of Rt 130 · Structure no. 0815152

Built
1934
91 years old
Condition
Poor
inspected July 2024
Type
Girder and Floorbeam System
Steel
Length
327 ft
1 main span
Daily traffic
9,175
2024 count
Owner
State
State Highway Agency

About this bridge

Nj 47 over Big Timber Creek is a steel girder and floorbeam system carrying Nj 47 over Big Timber Creek in Gloucester County, New Jersey. It was built in 1934, so it is 91 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 9,175 vehicles a day, roughly 4% of them trucks, projected to reach 11,010 by 2044. The structure is 327 ft (99.7 m) long and 51 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNj 47
CrossesBig Timber Creek
Location0.12 MI South of Rt 130
RouteState Highway 47
Coordinates39.87368, -75.12437
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54 US tons
Inventory rating32 US tons

Structure

MaterialSteel
DeckOther
Main spans1 (+5 approach)
Design loadUnknown
Structure length327 ft (99.7 m)
Longest span81 ft (24.7 m)
Deck width51 ft (15.5 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,175 (2024)
Projected traffic11,010 by 2044
Trucks4%
Lanes on structure4
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$23.4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nj 47 over Big Timber Creek built?

It was built in 1934, making it 91 years old in 2025.

What condition is Nj 47 over Big Timber Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does Nj 47 over Big Timber Creek carry?

About 9,175 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Nj 47 over Big Timber Creek?

The structure is 327 ft (99.7 m) long with a longest span of 81 ft (24.7 m) and a deck 51 ft wide.

Who owns Nj 47 over Big Timber Creek?

It is owned by the State Highway Agency.