US Bridges

County Road 12 over Kortright Brook

Fair

Delaware County, New York · 3 MI E SH 23 near Dprt CR · Structure no. 000000003352100

Built
1999
26 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
37 ft
1 main span
Daily traffic
407
2016 count
Owner
County
County Highway Agency

About this bridge

County Road 12 over Kortright Brook is a steel stringer/multi-beam or girder carrying County Road 12 over Kortright Brook in Delaware 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 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 407 vehicles a day, roughly 8% of them trucks, projected to reach 570 by 2036. The structure is 37 ft (11.3 m) long and 31 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesCounty Road 12
CrossesKortright Brook
Location3 MI E SH 23 near Dprt CR
RouteCounty Highway 0
CountyDelaware County
StateNew York
Coordinates42.43734, -74.86527
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating67 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 25 or greater
Structure length37 ft (11.3 m)
Longest span36 ft (11 m)
Deck width31 ft (9.4 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic407 (2016)
Projected traffic570 by 2036
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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$444,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 12 over Kortright Brook built?

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

What condition is County Road 12 over Kortright Brook 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 May 2023.

How much traffic does County Road 12 over Kortright Brook carry?

About 407 vehicles per day (2016 count), of which roughly 8% are trucks.

How long is County Road 12 over Kortright Brook?

The structure is 37 ft (11.3 m) long with a longest span of 36 ft (11 m) and a deck 31 ft wide.

Who owns County Road 12 over Kortright Brook?

It is owned by the County Highway Agency.