US Bridges

RTE 20 over Branch Cayuga Creek

Fair

Erie County, New York · 2.7 MI W JCT Rts 20 + 358 · Structure no. 000000001015590

Built
1931
94 years old, rebuilt 1956
Condition
Fair
inspected September 2024
Type
Slab
Concrete
Length
34 ft
1 main span
Daily traffic
11,094
2018 count
Owner
State
State Highway Agency

About this bridge

RTE 20 over Branch Cayuga Creek is a concrete slab carrying RTE 20 over Branch Cayuga Creek in Erie County, New York. It was built in 1931 and reconstructed in 1956, so it is 94 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 11,094 vehicles a day, roughly 6% of them trucks, projected to reach 11,146 by 2041. The structure is 34 ft (10.4 m) long and 71 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesRTE 20
CrossesBranch Cayuga Creek
Location2.7 MI W JCT Rts 20 + 358
RouteU.S. Route 20
CountyErie County
StateNew York
Coordinates42.89162, -78.6042
Functional classUrban Other Principal 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
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 protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length34 ft (10.4 m)
Longest span30 ft (9.1 m)
Deck width71 ft (21.6 m)
Roadway width67 ft (20.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,094 (2018)
Projected traffic11,146 by 2041
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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$3 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 20 over Branch Cayuga Creek built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1956.

What condition is RTE 20 over Branch Cayuga 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 September 2024.

How much traffic does RTE 20 over Branch Cayuga Creek carry?

About 11,094 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is RTE 20 over Branch Cayuga Creek?

The structure is 34 ft (10.4 m) long with a longest span of 30 ft (9.1 m) and a deck 71 ft wide.

Who owns RTE 20 over Branch Cayuga Creek?

It is owned by the State Highway Agency.