US Bridges

US 9 over Oyster Creek

Fair

Ocean County, New Jersey · 9 MI N of Nj 72 Jct. · Structure no. 1502153

Built
1967
58 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
137 ft
4 main spans
Daily traffic
23,730
2024 count
Owner
State
State Highway Agency

About this bridge

US 9 over Oyster Creek is a prestressed concrete box beam or girders - multiple carrying US 9 over Oyster Creek in Ocean County, New Jersey. It was built in 1967, so it is 58 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 23,730 vehicles a day, roughly 4% of them trucks, projected to reach 28,960 by 2044. The structure is 137 ft (41.8 m) long and 58 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesUS 9
CrossesOyster Creek
Location9 MI N of Nj 72 Jct.
RouteU.S. Route 9
Coordinates39.81111, -74.19958
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length137 ft (41.8 m)
Longest span34 ft (10.4 m)
Deck width58 ft (17.8 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic23,730 (2024)
Projected traffic28,960 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.2 mi (10 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$220,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 9 over Oyster Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is US 9 over Oyster 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 US 9 over Oyster Creek carry?

About 23,730 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is US 9 over Oyster Creek?

The structure is 137 ft (41.8 m) long with a longest span of 34 ft (10.4 m) and a deck 58 ft wide.

Who owns US 9 over Oyster Creek?

It is owned by the State Highway Agency.