US Bridges

RTE 168 over Flatt Creek

Good

Herkimer County, New York · 2.7MI SE JCT Rts 28 & 168 · Structure no. 000000001073590

Built
1987
38 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
27 ft
1 main span
Daily traffic
1,249
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 168 over Flatt Creek is a concrete culvert carrying RTE 168 over Flatt Creek in Herkimer County, New York. It was built in 1987, so it is 38 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 1,249 vehicles a day, roughly 5% of them trucks, projected to reach 1,275 by 2041. The structure is 27 ft (8.2 m) long and 33 ft wide. If it were closed, the detour would be 13.7 mi (22 km).

Location

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CarriesRTE 168
CrossesFlatt Creek
Location2.7MI SE JCT Rts 28 & 168
RouteState Highway 168
CountyHerkimer County
StateNew York
Coordinates42.97377, -74.97117
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.2 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span26 ft (7.9 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,249 (2020)
Projected traffic1,275 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13.7 mi (22 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$485,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 168 over Flatt Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is RTE 168 over Flatt 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 April 2023.

How much traffic does RTE 168 over Flatt Creek carry?

About 1,249 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is RTE 168 over Flatt Creek?

The structure is 27 ft (8.2 m) long with a longest span of 26 ft (7.9 m) and a deck 33 ft wide.

Who owns RTE 168 over Flatt Creek?

It is owned by the State Highway Agency.