US Bridges

RTE 20 over Chittenango Creek

Fair

Madison County, New York · 1 MI East JCT Rts 20 & 13 · Structure no. 000000001010550

Built
1993
32 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
79 ft
1 main span
Daily traffic
9,769
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 20 over Chittenango Creek is a steel stringer/multi-beam or girder carrying RTE 20 over Chittenango Creek in Madison County, New York. It was built in 1993, so it is 32 years old, younger 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 9,769 vehicles a day, roughly 5% of them trucks, projected to reach 10,536 by 2041. The structure is 79 ft (24.1 m) long and 58 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesRTE 20
CrossesChittenango Creek
Location1 MI East JCT Rts 20 & 13
RouteU.S. Route 20
CountyMadison County
StateNew York
Coordinates42.92984, -75.85007
Functional classRural Principal Arterial - Other

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating77.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length79 ft (24.1 m)
Longest span75 ft (22.8 m)
Deck width58 ft (17.7 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,769 (2021)
Projected traffic10,536 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemYes

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$1.9 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 20 over Chittenango Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is RTE 20 over Chittenango 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 March 2023.

How much traffic does RTE 20 over Chittenango Creek carry?

About 9,769 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is RTE 20 over Chittenango Creek?

The structure is 79 ft (24.1 m) long with a longest span of 75 ft (22.8 m) and a deck 58 ft wide.

Who owns RTE 20 over Chittenango Creek?

It is owned by the State Highway Agency.