US Bridges

SR 20 Buffalo Road over Over Twelve Mile Creek

Fair

Erie County, Pennsylvania · North East Township · Structure no. 000000000015927

Built
1954
71 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Concrete
Length
29 ft
1 main span
Daily traffic
7,330
2024 count
Owner
State
State Highway Agency

About this bridge

SR 20 Buffalo Road over Over Twelve Mile Creek is a concrete tee beam carrying SR 20 Buffalo Road over Over Twelve Mile Creek in Erie County, Pennsylvania. It was built in 1954, so it is 71 years old, older than the Pennsylvania average of 54.8 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 7,330 vehicles a day, roughly 8% of them trucks, projected to reach 13,113 by 2032. The structure is 29 ft (8.8 m) long and 65 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSR 20 Buffalo Road
CrossesOver Twelve Mile Creek
LocationNorth East Township
RouteU.S. Route 20
CountyErie County
StatePennsylvania
Coordinates42.19494, -79.89053
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating37 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span27 ft (8.2 m)
Deck width65 ft (19.8 m)
Roadway width62 ft (18.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,330 (2024)
Projected traffic13,113 by 2032
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$130,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 20 Buffalo Road over Over Twelve Mile Creek built?

It was built in 1954, making it 71 years old in 2025.

What condition is SR 20 Buffalo Road over Over Twelve Mile 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 April 2024.

How much traffic does SR 20 Buffalo Road over Over Twelve Mile Creek carry?

About 7,330 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is SR 20 Buffalo Road over Over Twelve Mile Creek?

The structure is 29 ft (8.8 m) long with a longest span of 27 ft (8.2 m) and a deck 65 ft wide.

Who owns SR 20 Buffalo Road over Over Twelve Mile Creek?

It is owned by the State Highway Agency.