US Bridges

SR 20 W.Main St. over Over Trout Run

Fair

Erie County, Pennsylvania · Lake City Borough · Structure no. 000000000015902

Built
1953
72 years old, rebuilt 1982
Condition
Fair
inspected December 2023
Type
Tee Beam
Concrete
Length
36 ft
1 main span
Daily traffic
11,349
2023 count
Owner
State
State Highway Agency

About this bridge

SR 20 W.Main St. over Over Trout Run is a concrete tee beam carrying SR 20 W.Main St. over Over Trout Run in Erie County, Pennsylvania. It was built in 1953 and reconstructed in 1982, so it is 72 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 11,349 vehicles a day, roughly 3% of them trucks, projected to reach 16,837 by 2032. The structure is 36 ft (11 m) long and 75 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSR 20 W.Main St.
CrossesOver Trout Run
LocationLake City Borough
RouteU.S. Route 20
Coordinates42.02892, -80.25794
Functional classUrban 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating28 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length36 ft (11 m)
Longest span34 ft (10.4 m)
Deck width75 ft (22.9 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,349 (2023)
Projected traffic16,837 by 2032
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 20 W.Main St. over Over Trout Run built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 1982.

What condition is SR 20 W.Main St. over Over Trout Run 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 December 2023.

How much traffic does SR 20 W.Main St. over Over Trout Run carry?

About 11,349 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is SR 20 W.Main St. over Over Trout Run?

The structure is 36 ft (11 m) long with a longest span of 34 ft (10.4 m) and a deck 75 ft wide.

Who owns SR 20 W.Main St. over Over Trout Run?

It is owned by the State Highway Agency.