US Bridges

SR 20 Ridge RD over Over Walnut Creek

Fair

Erie County, Pennsylvania · Fairview Township · Structure no. 000000000015903

Built
1939
86 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
60 ft
1 main span
Daily traffic
12,183
2024 count
Owner
State
State Highway Agency

About this bridge

SR 20 Ridge RD over Over Walnut Creek is a concrete culvert carrying SR 20 Ridge RD over Over Walnut Creek in Erie County, Pennsylvania. It was built in 1939, so it is 86 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 12,183 vehicles a day, roughly 4% of them trucks, projected to reach 17,999 by 2032. The structure is 60 ft (18.3 m) long. If it were closed, the detour would be 8.1 mi (13 km).

CarriesSR 20 Ridge RD
CrossesOver Walnut Creek
LocationFairview Township
RouteU.S. Route 20
Coordinates42.04999, -80.22217
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
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
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length60 ft (18.3 m)
Longest span60 ft (18.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,183 (2024)
Projected traffic17,999 by 2032
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$537,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 20 Ridge RD over Over Walnut Creek built?

It was built in 1939, making it 86 years old in 2025.

What condition is SR 20 Ridge RD over Over Walnut 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 November 2023.

How much traffic does SR 20 Ridge RD over Over Walnut Creek carry?

About 12,183 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is SR 20 Ridge RD over Over Walnut Creek?

The structure is 60 ft (18.3 m) long with a longest span of 60 ft (18.3 m).

Who owns SR 20 Ridge RD over Over Walnut Creek?

It is owned by the State Highway Agency.