US Bridges

Kortright Road over Middl Mongaup Rvr

Good

Sullivan County, New York · 2.2 MI NE of Mongaup Vlly · Structure no. 000000003356360

Built
2003
22 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
139
2017 count
Owner
County
County Highway Agency

About this bridge

Kortright Road over Middl Mongaup Rvr is a prestressed concrete box beam or girders - multiple carrying Kortright Road over Middl Mongaup Rvr in Sullivan County, New York. It was built in 2003, so it is 22 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 139 vehicles a day, roughly 11% of them trucks, projected to reach 195 by 2037. The structure is 52 ft (15.8 m) long and 28 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesKortright Road
CrossesMiddl Mongaup Rvr
Location2.2 MI NE of Mongaup Vlly
Coordinates41.69311, -74.7523
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 rating84 US tons
Inventory rating50 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length52 ft (15.8 m)
Longest span50 ft (15.2 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic139 (2017)
Projected traffic195 by 2037
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$962,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Kortright Road over Middl Mongaup Rvr built?

It was built in 2003, making it 22 years old in 2025.

What condition is Kortright Road over Middl Mongaup Rvr 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 Kortright Road over Middl Mongaup Rvr carry?

About 139 vehicles per day (2017 count), of which roughly 11% are trucks.

How long is Kortright Road over Middl Mongaup Rvr?

The structure is 52 ft (15.8 m) long with a longest span of 50 ft (15.2 m) and a deck 28 ft wide.

Who owns Kortright Road over Middl Mongaup Rvr?

It is owned by the County Highway Agency.