US Bridges

South Hill Road over Red Brook

Good

Sullivan County, New York · 0.6 MI S of Grahamsville · Structure no. 000000003356140

Built
2023
2 years old
Condition
Good
inspected December 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
66 ft
1 main span
Daily traffic
191
2021 count
Owner
County
County Highway Agency

About this bridge

South Hill Road over Red Brook is a prestressed concrete box beam or girders - multiple carrying South Hill Road over Red Brook in Sullivan County, New York. It was built in 2023, so it is 2 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 191 vehicles a day, roughly 8% of them trucks, projected to reach 267 by 2041. The structure is 66 ft (20.2 m) long and 32 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSouth Hill Road
CrossesRed Brook
Location0.6 MI S of Grahamsville
RouteCounty Highway 0
Coordinates41.84071, -74.54047
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 protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95.6 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length66 ft (20.2 m)
Longest span65 ft (19.8 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck107 ft (32.7 m)

Traffic and service

Average daily traffic191 (2021)
Projected traffic267 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 South Hill Road over Red Brook built?

It was built in 2023, making it 2 years old in 2025.

What condition is South Hill Road over Red 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 December 2023.

How much traffic does South Hill Road over Red Brook carry?

About 191 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is South Hill Road over Red Brook?

The structure is 66 ft (20.2 m) long with a longest span of 65 ft (19.8 m) and a deck 32 ft wide.

Who owns South Hill Road over Red Brook?

It is owned by the County Highway Agency.