US Bridges

Horn Street over Jennings Run

Fair

Somerset County, Pennsylvania · Horn Street Wellersburg · Structure no. 000000000031917

Built
1916
109 years old
Condition
Fair
inspected November 2022
Type
Arch - Deck
Concrete
Length
28 ft
1 main span
Daily traffic
75
2022 count
Owner
County
County Highway Agency

About this bridge

Horn Street over Jennings Run is a concrete arch - deck carrying Horn Street over Jennings Run in Somerset County, Pennsylvania. It was built in 1916, so it is 109 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 75 vehicles a day, projected to reach 94 by 2042. The structure is 28 ft (8.5 m) long and 17 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHorn Street
CrossesJennings Run
LocationHorn Street Wellersburg
RouteCity Street 0
CountySomerset County
StatePennsylvania
Coordinates39.72953, -78.85201
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
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 inspectionNovember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83 US tons
Inventory rating49.1 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width17 ft (5.3 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2022)
Projected traffic94 by 2042
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Horn Street over Jennings Run built?

It was built in 1916, making it 109 years old in 2025.

What condition is Horn Street over Jennings 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 November 2022.

How much traffic does Horn Street over Jennings Run carry?

About 75 vehicles per day (2022 count).

How long is Horn Street over Jennings Run?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m) and a deck 17 ft wide.

Who owns Horn Street over Jennings Run?

It is owned by the County Highway Agency.