US Bridges

RTE 20 over Buffalo Creek

Good

Erie County, New York · JCT RTE 20 + Bflo Creek · Structure no. 000000001015540

Built
2002
23 years old
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
198 ft
3 main spans
Daily traffic
26,091
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 20 over Buffalo Creek is a prestressed concrete box beam or girders - multiple carrying RTE 20 over Buffalo 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 26,091 vehicles a day, roughly 4% of them trucks, projected to reach 26,213 by 2041. The structure is 198 ft (60.4 m) long and 82 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesRTE 20
CrossesBuffalo Creek
LocationJCT RTE 20 + Bflo Creek
RouteU.S. Route 20
Coordinates42.85936, -78.69703
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
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 geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110 US tons
Inventory rating48 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length198 ft (60.4 m)
Longest span64 ft (19.4 m)
Deck width82 ft (24.9 m)
Roadway width69 ft (21 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,091 (2021)
Projected traffic26,213 by 2041
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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$7.4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 20 over Buffalo Creek built?

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

What condition is RTE 20 over Buffalo 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 July 2024.

How much traffic does RTE 20 over Buffalo Creek carry?

About 26,091 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is RTE 20 over Buffalo Creek?

The structure is 198 ft (60.4 m) long with a longest span of 64 ft (19.4 m) and a deck 82 ft wide.

Who owns RTE 20 over Buffalo Creek?

It is owned by the State Highway Agency.