US Bridges

Robertsville Road over Branch of Milford Brook

Good

Monmouth County, New Jersey · 3.46 Miles North of Nj 79 · Structure no. 130MN46

Built
1983
42 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
20 ft
1 main span
Daily traffic
1,591
2023 count
Owner
County
County Highway Agency

About this bridge

Robertsville Road over Branch of Milford Brook is a concrete culvert carrying Robertsville Road over Branch of Milford Brook in Monmouth County, New Jersey. It was built in 1983, so it is 42 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 1,591 vehicles a day, roughly 1% of them trucks, projected to reach 1,942 by 2043. The structure is 20 ft (6.1 m) long and 64 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRobertsville Road
CrossesBranch of Milford Brook
Location3.46 Miles North of Nj 79
Coordinates40.31176, -74.2875
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating61 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width64 ft (19.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,591 (2023)
Projected traffic1,942 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Robertsville Road over Branch of Milford Brook built?

It was built in 1983, making it 42 years old in 2025.

What condition is Robertsville Road over Branch of Milford Brook 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 May 2023.

How much traffic does Robertsville Road over Branch of Milford Brook carry?

About 1,591 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Robertsville Road over Branch of Milford Brook?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m) and a deck 64 ft wide.

Who owns Robertsville Road over Branch of Milford Brook?

It is owned by the County Highway Agency.