US Bridges

Water Falls Road over Mombaccus Creek

Poor

Ulster County, New York · 1.8 MI NW of Pataukunk · Structure no. 000000002224470

Built
1955
70 years old, rebuilt 2002
Condition
Poor
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
43 ft
1 main span
Daily traffic
70
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Water Falls Road over Mombaccus Creek is a steel stringer/multi-beam or girder carrying Water Falls Road over Mombaccus Creek in Ulster County, New York. It was built in 1955 and reconstructed in 2002, so it is 70 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 70 vehicles a day, roughly 7% of them trucks, projected to reach 98 by 2039. The structure is 43 ft (13.1 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesWater Falls Road
CrossesMombaccus Creek
Location1.8 MI NW of Pataukunk
Coordinates41.81495, -74.32093
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating43 US tons
Inventory rating26 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length43 ft (13.1 m)
Longest span41 ft (12.4 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2019)
Projected traffic98 by 2039
Trucks7%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$654,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Water Falls Road over Mombaccus Creek built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 2002.

What condition is Water Falls Road over Mombaccus Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2023.

How much traffic does Water Falls Road over Mombaccus Creek carry?

About 70 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is Water Falls Road over Mombaccus Creek?

The structure is 43 ft (13.1 m) long with a longest span of 41 ft (12.4 m) and a deck 16 ft wide.

Who owns Water Falls Road over Mombaccus Creek?

It is owned by the Town or Township Highway Agency.