US Bridges

High Street CR511 over Kikeout Brook

Fair

Morris County, New Jersey · High St.& Boonton Ave JCT · Structure no. 1400136

Built
1925
100 years old, rebuilt 1999
Condition
Fair
inspected August 2023
Type
Slab
Prestressed Concrete
Length
29 ft
1 main span
Daily traffic
9,795
2023 count
Owner
County
County Highway Agency

About this bridge

High Street CR511 over Kikeout Brook is a prestressed concrete slab carrying High Street CR511 over Kikeout Brook in Morris County, New Jersey. It was built in 1925 and reconstructed in 1999, so it is 100 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 9,795 vehicles a day, roughly 4% of them trucks, projected to reach 11,952 by 2043. The structure is 29 ft (8.8 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHigh Street CR511
CrossesKikeout Brook
LocationHigh St.& Boonton Ave JCT
RouteCounty Highway 511
Coordinates41.00139, -74.34028
Functional classUrban Minor 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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
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
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating91.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length29 ft (8.8 m)
Longest span26 ft (7.9 m)
Deck width51 ft (15.6 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,795 (2023)
Projected traffic11,952 by 2043
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 High Street CR511 over Kikeout Brook built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1999.

What condition is High Street CR511 over Kikeout 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 August 2023.

How much traffic does High Street CR511 over Kikeout Brook carry?

About 9,795 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is High Street CR511 over Kikeout Brook?

The structure is 29 ft (8.8 m) long with a longest span of 26 ft (7.9 m) and a deck 51 ft wide.

Who owns High Street CR511 over Kikeout Brook?

It is owned by the County Highway Agency.