US Bridges

Denman Road over E Br Mongaup Rvr

Good

Sullivan County, New York · 2.2 MI SE of Ferndale · Structure no. 000000003356750

Built
2023
2 years old
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
184
2018 count
Owner
County
County Highway Agency

About this bridge

Denman Road over E Br Mongaup Rvr is a prestressed concrete box beam or girders - multiple carrying Denman Road over E Br Mongaup Rvr in Sullivan County, New York. It was built in 2023, so it is 2 years old, younger than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 184 vehicles a day, roughly 14% of them trucks, projected to reach 258 by 2038. The structure is 52 ft (15.8 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesDenman Road
CrossesE Br Mongaup Rvr
Location2.2 MI SE of Ferndale
Coordinates41.76004, -74.70192
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length52 ft (15.8 m)
Longest span50 ft (15.2 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deck107 ft (32.7 m)

Traffic and service

Average daily traffic184 (2018)
Projected traffic258 by 2038
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$496,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Denman Road over E Br Mongaup Rvr built?

It was built in 2023, making it 2 years old in 2025.

What condition is Denman Road over E Br Mongaup Rvr 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 November 2023.

How much traffic does Denman Road over E Br Mongaup Rvr carry?

About 184 vehicles per day (2018 count), of which roughly 14% are trucks.

How long is Denman Road over E Br Mongaup Rvr?

The structure is 52 ft (15.8 m) long with a longest span of 50 ft (15.2 m) and a deck 24 ft wide.

Who owns Denman Road over E Br Mongaup Rvr?

It is owned by the County Highway Agency.