US Bridges

Nj 23 over Br. Franklin Lake

Fair

Sussex County, New Jersey · 4.2 Mi. So. of RTE 94 · Structure no. 1903154

Built
1948
77 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
25,140
2024 count
Owner
State
State Highway Agency

About this bridge

Nj 23 over Br. Franklin Lake is a steel stringer/multi-beam or girder carrying Nj 23 over Br. Franklin Lake in Sussex County, New Jersey. It was built in 1948, so it is 77 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 25,140 vehicles a day, roughly 4% of them trucks, projected to reach 30,680 by 2044. The structure is 40 ft (12.2 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNj 23
CrossesBr. Franklin Lake
Location4.2 Mi. So. of RTE 94
RouteState Highway 23
Coordinates41.10295, -74.58073
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating81 US tons
Inventory rating49.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length40 ft (12.2 m)
Longest span36 ft (11 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,140 (2024)
Projected traffic30,680 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$258,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nj 23 over Br. Franklin Lake built?

It was built in 1948, making it 77 years old in 2025.

What condition is Nj 23 over Br. Franklin Lake 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 April 2024.

How much traffic does Nj 23 over Br. Franklin Lake carry?

About 25,140 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Nj 23 over Br. Franklin Lake?

The structure is 40 ft (12.2 m) long with a longest span of 36 ft (11 m) and a deck 34 ft wide.

Who owns Nj 23 over Br. Franklin Lake?

It is owned by the State Highway Agency.