US Bridges

RTE 89 over Flood Control Channel C

Good

Tompkins County, New York · 0.5 MI N of W Buffalo ST · Structure no. 000000001077240

Built
1997
28 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
400 ft
2 main spans
Daily traffic
6,436
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 89 over Flood Control Channel C is a steel continuous stringer/multi-beam or girder carrying RTE 89 over Flood Control Channel C in Tompkins County, New York. It was built in 1997, so it is 28 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 6,436 vehicles a day, roughly 4% of them trucks, projected to reach 7,963 by 2041. The structure is 400 ft (121.9 m) long and 40 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE 89
CrossesFlood Control Channel C
Location0.5 MI N of W Buffalo ST
RouteState Highway 89
Coordinates42.44353, -76.51386
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating53 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length400 ft (121.9 m)
Longest span202 ft (61.5 m)
Deck width40 ft (12.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,436 (2021)
Projected traffic7,963 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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$6.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 89 over Flood Control Channel C built?

It was built in 1997, making it 28 years old in 2025.

What condition is RTE 89 over Flood Control Channel C 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 September 2023.

How much traffic does RTE 89 over Flood Control Channel C carry?

About 6,436 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is RTE 89 over Flood Control Channel C?

The structure is 400 ft (121.9 m) long with a longest span of 202 ft (61.5 m) and a deck 40 ft wide.

Who owns RTE 89 over Flood Control Channel C?

It is owned by the State Highway Agency.