US Bridges

Mongaup Road over Mongaup Creek

Good

Sullivan County, New York · .7 Mile North of Debruce · Structure no. 000000003357310

Built
2004
21 years old
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
51 ft
1 main span
Daily traffic
65
2018 count
Owner
County
County Highway Agency

About this bridge

Mongaup Road over Mongaup Creek is a prestressed concrete box beam or girders - multiple carrying Mongaup Road over Mongaup Creek in Sullivan County, New York. It was built in 2004, so it is 21 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 65 vehicles a day, roughly 3% of them trucks, projected to reach 91 by 2038. The structure is 51 ft (15.5 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesMongaup Road
CrossesMongaup Creek
Location.7 Mile North of Debruce
Coordinates41.92188, -74.7182
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating81 US tons
Inventory rating48 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length51 ft (15.5 m)
Longest span48 ft (14.6 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic65 (2018)
Projected traffic91 by 2038
Trucks3%
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$785,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mongaup Road over Mongaup Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is Mongaup Road over Mongaup Creek 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 2024.

How much traffic does Mongaup Road over Mongaup Creek carry?

About 65 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is Mongaup Road over Mongaup Creek?

The structure is 51 ft (15.5 m) long with a longest span of 48 ft (14.6 m) and a deck 24 ft wide.

Who owns Mongaup Road over Mongaup Creek?

It is owned by the County Highway Agency.