US Bridges

SR 2020 over Horn Run

Fair

Washington County, Pennsylvania · Marianna Borough · Structure no. 000000000034931

Built
1934
91 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
28 ft
1 main span
Daily traffic
1,273
2024 count
Owner
State
State Highway Agency

About this bridge

SR 2020 over Horn Run is a steel stringer/multi-beam or girder carrying SR 2020 over Horn Run in Washington County, Pennsylvania. It was built in 1934, so it is 91 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 6 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 1,273 vehicles a day, roughly 12% of them trucks, projected to reach 413 by 2032. The structure is 28 ft (8.5 m) long and 26 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesSR 2020
CrossesHorn Run
LocationMarianna Borough
RouteState Highway 0
CountyWashington County
StatePennsylvania
Coordinates40.01829, -80.10805
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
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 above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating74 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckNot applicable
Main spans1
Design loadH 15
Structure length28 ft (8.5 m)
Longest span22 ft (6.7 m)
Deck width26 ft (7.9 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,273 (2024)
Projected traffic413 by 2032
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$75,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 2020 over Horn Run built?

It was built in 1934, making it 91 years old in 2025.

What condition is SR 2020 over Horn 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 April 2024.

How much traffic does SR 2020 over Horn Run carry?

About 1,273 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is SR 2020 over Horn Run?

The structure is 28 ft (8.5 m) long with a longest span of 22 ft (6.7 m) and a deck 26 ft wide.

Who owns SR 2020 over Horn Run?

It is owned by the State Highway Agency.