US Bridges

County Road 20 over Mill Creek

Fair

Otsego County, New York · 0.5 MI N of Edmeston · Structure no. 000000003369310

Built
1999
26 years old
Condition
Fair
inspected September 2023
Type
Frame
Concrete
Length
31 ft
1 main span
Daily traffic
535
2017 count
Owner
County
County Highway Agency

About this bridge

County Road 20 over Mill Creek is a concrete frame carrying County Road 20 over Mill Creek in Otsego County, New York. It was built in 1999, so it is 26 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 5 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 535 vehicles a day, roughly 13% of them trucks, projected to reach 558 by 2041. The structure is 31 ft (9.4 m) long and 48 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Road 20
CrossesMill Creek
Location0.5 MI N of Edmeston
RouteCounty Highway 0
CountyOtsego County
StateNew York
Coordinates42.70492, -75.24461
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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93 US tons
Inventory rating56 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length31 ft (9.4 m)
Longest span28 ft (8.5 m)
Deck width48 ft (14.6 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic535 (2017)
Projected traffic558 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$1.4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 20 over Mill Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is County Road 20 over Mill 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 September 2023.

How much traffic does County Road 20 over Mill Creek carry?

About 535 vehicles per day (2017 count), of which roughly 13% are trucks.

How long is County Road 20 over Mill Creek?

The structure is 31 ft (9.4 m) long with a longest span of 28 ft (8.5 m) and a deck 48 ft wide.

Who owns County Road 20 over Mill Creek?

It is owned by the County Highway Agency.