US Bridges

RTE 166 over Shellrock Creek

Fair

Otsego County, New York · 3.3 MI SW JCT SH166 & SH1 · Structure no. 000000001038890

Built
2012
13 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
27 ft
1 main span
Daily traffic
1,276
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 166 over Shellrock Creek is a concrete culvert carrying RTE 166 over Shellrock Creek in Otsego County, New York. It was built in 2012, so it is 13 years old, younger 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 6 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 1,276 vehicles a day, roughly 8% of them trucks, projected to reach 1,331 by 2041. The structure is 27 ft (8.2 m) long and 36 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesRTE 166
CrossesShellrock Creek
Location3.3 MI SW JCT SH166 & SH1
RouteState Highway 166
Coordinates42.70926, -74.81871
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating109 US tons
Inventory rating65 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length27 ft (8.2 m)
Longest span25 ft (7.6 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,276 (2020)
Projected traffic1,331 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$304,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 166 over Shellrock Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is RTE 166 over Shellrock 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 July 2024.

How much traffic does RTE 166 over Shellrock Creek carry?

About 1,276 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is RTE 166 over Shellrock Creek?

The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.6 m) and a deck 36 ft wide.

Who owns RTE 166 over Shellrock Creek?

It is owned by the State Highway Agency.