US Bridges

RTE 20 over Cayuga Creek

Good

Erie County, New York · 1.3 MI E JCT US20 & NY130 · Structure no. 000000001015580

Built
2002
23 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
122 ft
1 main span
Daily traffic
14,642
2018 count
Owner
State
State Highway Agency

About this bridge

RTE 20 over Cayuga Creek is a steel stringer/multi-beam or girder carrying RTE 20 over Cayuga Creek in Erie County, New York. It was built in 2002, so it is 23 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 14,642 vehicles a day, roughly 5% of them trucks, projected to reach 14,710 by 2041. The structure is 122 ft (37.2 m) long and 61 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRTE 20
CrossesCayuga Creek
Location1.3 MI E JCT US20 & NY130
RouteU.S. Route 20
Coordinates42.89965, -78.67296
Functional classUrban Other Principal Arterial

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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.4 US tons
Inventory rating40.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length122 ft (37.2 m)
Longest span117 ft (35.6 m)
Deck width61 ft (18.7 m)
Roadway width49 ft (15 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,642 (2018)
Projected traffic14,710 by 2041
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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$7.4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 20 over Cayuga Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is RTE 20 over Cayuga Creek 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 April 2023.

How much traffic does RTE 20 over Cayuga Creek carry?

About 14,642 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is RTE 20 over Cayuga Creek?

The structure is 122 ft (37.2 m) long with a longest span of 117 ft (35.6 m) and a deck 61 ft wide.

Who owns RTE 20 over Cayuga Creek?

It is owned by the State Highway Agency.