US Bridges

RTE 366 over Fall Creek

Fair

Tompkins County, New York · 2.5 MI NE JCT SH 366 & SH · Structure no. 000000001046790

Built
1932
93 years old, rebuilt 1995
Condition
Fair
inspected July 2024
Type
Girder and Floorbeam System
Steel
Length
80 ft
1 main span
Daily traffic
3,016
2019 count
Owner
State
State Highway Agency

About this bridge

RTE 366 over Fall Creek is a steel girder and floorbeam system carrying RTE 366 over Fall Creek in Tompkins County, New York. It was built in 1932 and reconstructed in 1995, so it is 93 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 5 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 3,016 vehicles a day, roughly 11% of them trucks, projected to reach 3,034 by 2041. The structure is 80 ft (24.4 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesRTE 366
CrossesFall Creek
Location2.5 MI NE JCT SH 366 & SH
RouteState Highway 366
CountyTompkins County
StateNew York
Coordinates42.50459, -76.35991
Functional classRural 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating37 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span75 ft (22.8 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,016 (2019)
Projected traffic3,034 by 2041
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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$1.4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 366 over Fall Creek built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1995.

What condition is RTE 366 over Fall Creek 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 July 2024.

How much traffic does RTE 366 over Fall Creek carry?

About 3,016 vehicles per day (2019 count), of which roughly 11% are trucks.

How long is RTE 366 over Fall Creek?

The structure is 80 ft (24.4 m) long with a longest span of 75 ft (22.8 m) and a deck 27 ft wide.

Who owns RTE 366 over Fall Creek?

It is owned by the State Highway Agency.