US Bridges

RTE 990L over Chenango River

Fair

Chenango County, New York · 0.6 MI S of JCT NY-23 & E · Structure no. 000000001050520

Built
1961
64 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
201 ft
3 main spans
Daily traffic
4,178
2018 count
Owner
State
State Highway Agency

About this bridge

RTE 990L over Chenango River is a steel stringer/multi-beam or girder carrying RTE 990L over Chenango River in Chenango County, New York. It was built in 1961, so it is 64 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 4,178 vehicles a day, roughly 7% of them trucks, projected to reach 5,075 by 2041. The structure is 201 ft (61.3 m) long and 41 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesRTE 990L
CrossesChenango River
Location0.6 MI S of JCT NY-23 & E
RouteState Highway 990L
CountyChenango County
StateNew York
Coordinates42.53276, -75.50646
Functional classUrban Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
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
Deck geometry4: Meets minimum tolerable limits to be 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 rating47 US tons
Inventory rating28 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length201 ft (61.3 m)
Longest span87 ft (26.5 m)
Deck width41 ft (12.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,178 (2018)
Projected traffic5,075 by 2041
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed2.5 mi (4 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$3.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 990L over Chenango River built?

It was built in 1961, making it 64 years old in 2025.

What condition is RTE 990L over Chenango River 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 990L over Chenango River carry?

About 4,178 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is RTE 990L over Chenango River?

The structure is 201 ft (61.3 m) long with a longest span of 87 ft (26.5 m) and a deck 41 ft wide.

Who owns RTE 990L over Chenango River?

It is owned by the State Highway Agency.