US Bridges

Lakeside DR North over Mountain Lake Brook

Fair

Warren County, New Jersey · 100 Ft W Lakeside DR East · Structure no. 2101413

Built
1941
84 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
33 ft
1 main span
Daily traffic
1,194
2023 count
Owner
County
County Highway Agency

About this bridge

Lakeside DR North over Mountain Lake Brook is a steel stringer/multi-beam or girder carrying Lakeside DR North over Mountain Lake Brook in Warren County, New Jersey. It was built in 1941, so it is 84 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 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 1,194 vehicles a day, roughly 3% of them trucks, projected to reach 1,457 by 2043. The structure is 33 ft (10.1 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesLakeside DR North
CrossesMountain Lake Brook
Location100 Ft W Lakeside DR East
RouteCity Street 0
CountyWarren County
StateNew Jersey
Coordinates40.86028, -74.97722
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating81 US tons
Inventory rating48 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span30 ft (9.1 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,194 (2023)
Projected traffic1,457 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lakeside DR North over Mountain Lake Brook built?

It was built in 1941, making it 84 years old in 2025.

What condition is Lakeside DR North over Mountain Lake Brook 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 March 2023.

How much traffic does Lakeside DR North over Mountain Lake Brook carry?

About 1,194 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Lakeside DR North over Mountain Lake Brook?

The structure is 33 ft (10.1 m) long with a longest span of 30 ft (9.1 m) and a deck 30 ft wide.

Who owns Lakeside DR North over Mountain Lake Brook?

It is owned by the County Highway Agency.