US Bridges

US 206 over South Br Raritan River

Fair

Morris County, New Jersey · 3.0 MI South of JCT I-80 · Structure no. 1417156

Built
1928
97 years old, rebuilt 1997
Condition
Fair
inspected August 2023
Type
Slab
Concrete
Length
22 ft
1 main span
Daily traffic
22,203
2023 count
Owner
State
State Highway Agency

About this bridge

US 206 over South Br Raritan River is a concrete slab carrying US 206 over South Br Raritan River in Morris County, New Jersey. It was built in 1928 and reconstructed in 1997, so it is 97 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 5 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 22,203 vehicles a day, roughly 4% of them trucks, projected to reach 26,643 by 2043. The structure is 22 ft (6.7 m) long and 57 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 206
CrossesSouth Br Raritan River
Location3.0 MI South of JCT I-80
RouteU.S. Route 206
Coordinates40.85012, -74.70071
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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38 US tons
Inventory rating22 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width57 ft (17.5 m)
Roadway width55 ft (16.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,203 (2023)
Projected traffic26,643 by 2043
Trucks4%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$346,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 206 over South Br Raritan River built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1997.

What condition is US 206 over South Br Raritan River 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 2023.

How much traffic does US 206 over South Br Raritan River carry?

About 22,203 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is US 206 over South Br Raritan River?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 57 ft wide.

Who owns US 206 over South Br Raritan River?

It is owned by the State Highway Agency.