US Bridges

Matthews Mill Road over Beaver Dam Creek

Fair

Westchester County, New York · 4.2 MI NE of Mount Kisco · Structure no. 000000003348410

Built
1930
95 years old, rebuilt 1993
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
39 ft
1 main span
Daily traffic
116
2017 count
Owner
County
County Highway Agency

About this bridge

Matthews Mill Road over Beaver Dam Creek is a prestressed concrete box beam or girders - multiple carrying Matthews Mill Road over Beaver Dam Creek in Westchester County, New York. It was built in 1930 and reconstructed in 1993, so it is 95 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 116 vehicles a day, roughly 5% of them trucks, projected to reach 162 by 2037. The structure is 39 ft (11.9 m) long and 18 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMatthews Mill Road
CrossesBeaver Dam Creek
Location4.2 MI NE of Mount Kisco
Coordinates41.23131, -73.65775
Functional classUrban Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating78 US tons
Inventory rating46 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span34 ft (10.3 m)
Deck width18 ft (5.5 m)
Roadway width14 ft (4.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic116 (2017)
Projected traffic162 by 2037
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$572,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Matthews Mill Road over Beaver Dam Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1993.

What condition is Matthews Mill Road over Beaver Dam Creek 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 March 2023.

How much traffic does Matthews Mill Road over Beaver Dam Creek carry?

About 116 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Matthews Mill Road over Beaver Dam Creek?

The structure is 39 ft (11.9 m) long with a longest span of 34 ft (10.3 m) and a deck 18 ft wide.

Who owns Matthews Mill Road over Beaver Dam Creek?

It is owned by the County Highway Agency.