US Bridges

County Route 91 over South Sandy Creek

Good

Jefferson County, New York · 1 Mile N JCT CR91 & I81 · Structure no. 000000003338480

Built
1997
28 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
154 ft
1 main span
Daily traffic
130
2021 count
Owner
County
County Highway Agency

About this bridge

County Route 91 over South Sandy Creek is a steel stringer/multi-beam or girder carrying County Route 91 over South Sandy Creek in Jefferson County, New York. It was built in 1997, so it is 28 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 130 vehicles a day, roughly 3% of them trucks, projected to reach 182 by 2041. The structure is 154 ft (46.9 m) long and 26 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesCounty Route 91
CrossesSouth Sandy Creek
Location1 Mile N JCT CR91 & I81
RouteCounty Highway 0
Coordinates43.76221, -76.06726
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.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum 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 rating99 US tons
Inventory rating74 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length154 ft (46.9 m)
Longest span148 ft (45.1 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2021)
Projected traffic182 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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$1.9 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Route 91 over South Sandy Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is County Route 91 over South Sandy Creek 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 August 2023.

How much traffic does County Route 91 over South Sandy Creek carry?

About 130 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is County Route 91 over South Sandy Creek?

The structure is 154 ft (46.9 m) long with a longest span of 148 ft (45.1 m) and a deck 26 ft wide.

Who owns County Route 91 over South Sandy Creek?

It is owned by the County Highway Agency.