US Bridges

Stone Fort Road over Middle Brook

Good

Delaware County, New York · 3.5 MI E of Davenport · Structure no. 000000003352840

Built
1979
46 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
70 ft
1 main span
Daily traffic
59
2018 count
Owner
County
County Highway Agency

About this bridge

Stone Fort Road over Middle Brook is a steel stringer/multi-beam or girder carrying Stone Fort Road over Middle Brook in Delaware County, New York. It was built in 1979, so it is 46 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 59 vehicles a day, projected to reach 83 by 2038. The structure is 70 ft (21.3 m) long and 20 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesStone Fort Road
CrossesMiddle Brook
Location3.5 MI E of Davenport
CountyDelaware County
StateNew York
Coordinates42.45594, -74.77788
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be 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 rating57.9 US tons
Inventory rating44.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span66 ft (20.1 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic59 (2018)
Projected traffic83 by 2038
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$1.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Stone Fort Road over Middle Brook built?

It was built in 1979, making it 46 years old in 2025.

What condition is Stone Fort Road over Middle Brook 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 May 2023.

How much traffic does Stone Fort Road over Middle Brook carry?

About 59 vehicles per day (2018 count).

How long is Stone Fort Road over Middle Brook?

The structure is 70 ft (21.3 m) long with a longest span of 66 ft (20.1 m) and a deck 20 ft wide.

Who owns Stone Fort Road over Middle Brook?

It is owned by the County Highway Agency.