US Bridges

Ryerson Road over Beaver Dam Brook

Fair

Morris County, New Jersey · 0.13 MI N of Park Ave · Structure no. 1400241

Built
1930
95 years old, rebuilt 1992
Condition
Fair
inspected July 2023
Type
Slab
Prestressed Concrete
Length
43 ft
1 main span
Daily traffic
1,882
2023 count
Owner
County
County Highway Agency

About this bridge

Ryerson Road over Beaver Dam Brook is a prestressed concrete slab carrying Ryerson Road over Beaver Dam Brook in Morris County, New Jersey. It was built in 1930 and reconstructed in 1992, so it is 95 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 1,882 vehicles a day, roughly 3% of them trucks, projected to reach 2,297 by 2043. The structure is 43 ft (13.1 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesRyerson Road
CrossesBeaver Dam Brook
Location0.13 MI N of Park Ave
RouteCity Street 0
CountyMorris County
StateNew Jersey
Coordinates40.92651, -74.293
Functional classUrban Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating75 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length43 ft (13.1 m)
Longest span39 ft (11.9 m)
Deck width38 ft (11.7 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,882 (2023)
Projected traffic2,297 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 Ryerson Road over Beaver Dam Brook built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1992.

What condition is Ryerson Road over Beaver Dam 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 Ryerson Road over Beaver Dam Brook carry?

About 1,882 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Ryerson Road over Beaver Dam Brook?

The structure is 43 ft (13.1 m) long with a longest span of 39 ft (11.9 m) and a deck 38 ft wide.

Who owns Ryerson Road over Beaver Dam Brook?

It is owned by the County Highway Agency.