US Bridges

Glen Road over Tributary to Troy Brook

Good

Morris County, New Jersey · 1.25MI NW of I80&I287 JCT · Structure no. 1429005

Built
1975
50 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
575
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Glen Road over Tributary to Troy Brook is a concrete culvert carrying Glen Road over Tributary to Troy Brook in Morris County, New Jersey. It was built in 1975, so it is 50 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 575 vehicles a day, roughly 1% of them trucks, projected to reach 701 by 2043. The structure is 24 ft (7.3 m) long and 57 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesGlen Road
CrossesTributary to Troy Brook
Location1.25MI NW of I80&I287 JCT
RouteCity Street 0
Coordinates40.87963, -74.4298
Functional classUrban Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJuly 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span23 ft (7 m)
Deck width57 ft (17.4 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic575 (2023)
Projected traffic701 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Glen Road over Tributary to Troy Brook built?

It was built in 1975, making it 50 years old in 2025.

What condition is Glen Road over Tributary to Troy 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 July 2023.

How much traffic does Glen Road over Tributary to Troy Brook carry?

About 575 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Glen Road over Tributary to Troy Brook?

The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m) and a deck 57 ft wide.

Who owns Glen Road over Tributary to Troy Brook?

It is owned by the Town or Township Highway Agency.