US Bridges

RTE 17 over E Br Mongaup Rvr

Fair

Sullivan County, New York · 3.4 MI NW JCT SH 17 & SH1 · Structure no. 000000001013700

Built
1960
65 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
39 ft
2 main spans
Daily traffic
18,972
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 17 over E Br Mongaup Rvr is a concrete culvert carrying RTE 17 over E Br Mongaup Rvr in Sullivan County, New York. It was built in 1960, so it is 65 years old, older 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 18,972 vehicles a day, roughly 11% of them trucks, projected to reach 21,984 by 2041. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesRTE 17
CrossesE Br Mongaup Rvr
Location3.4 MI NW JCT SH 17 & SH1
RouteState Highway 17
Coordinates41.70469, -74.73632
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length39 ft (11.9 m)
Longest span18 ft (5.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,972 (2020)
Projected traffic21,984 by 2041
Trucks11%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$2.8 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 17 over E Br Mongaup Rvr built?

It was built in 1960, making it 65 years old in 2025.

What condition is RTE 17 over E Br Mongaup Rvr 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 October 2024.

How much traffic does RTE 17 over E Br Mongaup Rvr carry?

About 18,972 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is RTE 17 over E Br Mongaup Rvr?

The structure is 39 ft (11.9 m) long with a longest span of 18 ft (5.4 m).

Who owns RTE 17 over E Br Mongaup Rvr?

It is owned by the State Highway Agency.