US Bridges

Reservoir Road over Tributary of Mine Brook

Fair

Morris County, New Jersey · .2 Miles South of US 46 · Structure no. 1401090

Built
1970
55 years old
Condition
Fair
inspected July 2023
Type
Culvert
Steel
Length
23 ft
2 main spans
Daily traffic
1,128
2023 count
Owner
County
County Highway Agency

About this bridge

Reservoir Road over Tributary of Mine Brook is a steel culvert carrying Reservoir Road over Tributary of Mine Brook in Morris County, New Jersey. It was built in 1970, so it is 55 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 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 1,128 vehicles a day, roughly 1% of them trucks, projected to reach 1,377 by 2043. The structure is 23 ft (7 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesReservoir Road
CrossesTributary of Mine Brook
Location.2 Miles South of US 46
RouteCity Street 0
CountyMorris County
StateNew Jersey
Coordinates40.84156, -74.80164
Functional classUrban 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52 US tons
Inventory rating44 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,128 (2023)
Projected traffic1,377 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 Reservoir Road over Tributary of Mine Brook built?

It was built in 1970, making it 55 years old in 2025.

What condition is Reservoir Road over Tributary of Mine 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 July 2023.

How much traffic does Reservoir Road over Tributary of Mine Brook carry?

About 1,128 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Reservoir Road over Tributary of Mine Brook?

The structure is 23 ft (7 m) long with a longest span of 11 ft (3.4 m).

Who owns Reservoir Road over Tributary of Mine Brook?

It is owned by the County Highway Agency.