US Bridges

Flanders-Drakestow over S. Branch Raritan River

Good

Morris County, New Jersey · 2.9 MI West of CO Rt 613 · Structure no. 1401107

Built
2018
7 years old
Condition
Good
inspected April 2024
Type
Arch - Deck
Concrete
Length
36 ft
2 main spans
Daily traffic
992
2024 count
Owner
County
County Highway Agency

About this bridge

Flanders-Drakestow over S. Branch Raritan River is a concrete arch - deck carrying Flanders-Drakestow over S. Branch Raritan River in Morris County, New Jersey. It was built in 2018, so it is 7 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 992 vehicles a day, roughly 1% of them trucks, projected to reach 1,210 by 2044. The structure is 36 ft (11 m) long and 35 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFlanders-Drakestow
CrossesS. Branch Raritan River
Location2.9 MI West of CO Rt 613
RouteCity Street 0
Coordinates40.84297, -74.75249
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating106.8 US tons
Inventory rating100.8 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length36 ft (11 m)
Longest span16 ft (4.9 m)
Deck width35 ft (10.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic992 (2024)
Projected traffic1,210 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Flanders-Drakestow over S. Branch Raritan River built?

It was built in 2018, making it 7 years old in 2025.

What condition is Flanders-Drakestow over S. Branch Raritan River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does Flanders-Drakestow over S. Branch Raritan River carry?

About 992 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Flanders-Drakestow over S. Branch Raritan River?

The structure is 36 ft (11 m) long with a longest span of 16 ft (4.9 m) and a deck 35 ft wide.

Who owns Flanders-Drakestow over S. Branch Raritan River?

It is owned by the County Highway Agency.