US Bridges

Swamp Road over Sangerfield River

Good

Madison County, New York · 2.5 MI E of Gorton Lake · Structure no. 000000002308720

Built
2005
20 years old
Condition
Good
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
239
2018 count
Owner
County
County Highway Agency

About this bridge

Swamp Road over Sangerfield River is a prestressed concrete box beam or girders - multiple carrying Swamp Road over Sangerfield River in Madison County, New York. It was built in 2005, so it is 20 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 239 vehicles a day, roughly 5% of them trucks, projected to reach 335 by 2038. The structure is 52 ft (15.8 m) long and 29 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSwamp Road
CrossesSangerfield River
Location2.5 MI E of Gorton Lake
RouteCounty Highway 0
Coordinates42.85417, -75.41455
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating59 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length52 ft (15.8 m)
Longest span48 ft (14.6 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic239 (2018)
Projected traffic335 by 2038
Trucks5%
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 byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$575,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Swamp Road over Sangerfield River built?

It was built in 2005, making it 20 years old in 2025.

What condition is Swamp Road over Sangerfield River 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 April 2024.

How much traffic does Swamp Road over Sangerfield River carry?

About 239 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Swamp Road over Sangerfield River?

The structure is 52 ft (15.8 m) long with a longest span of 48 ft (14.6 m) and a deck 29 ft wide.

Who owns Swamp Road over Sangerfield River?

It is owned by the County Highway Agency and maintained by the Town or Township Highway Agency.