US Bridges

Kennedy RD over Unnamed Stream

Fair

Lawrence County, Pennsylvania · 037019 Slippery Rock Twp · Structure no. 000000000022562

Built
1918
107 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
72 ft
1 main span
Daily traffic
100
2005 count
Owner
County
County Highway Agency

About this bridge

Kennedy RD over Unnamed Stream is a steel stringer/multi-beam or girder carrying Kennedy RD over Unnamed Stream in Lawrence County, Pennsylvania. It was built in 1918, so it is 107 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 100 vehicles a day, roughly 1% of them trucks, projected to reach 150 by 2025. The structure is 72 ft (21.9 m) long and 21 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesKennedy RD
CrossesUnnamed Stream
Location037019 Slippery Rock Twp
RouteCity Street 0
CountyLawrence County
StatePennsylvania
Coordinates40.94995, -80.17033
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating75.9 US tons
Inventory rating46 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length72 ft (21.9 m)
Longest span70 ft (21.3 m)
Deck width21 ft (6.4 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2005)
Projected traffic150 by 2025
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$523,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Kennedy RD over Unnamed Stream built?

It was built in 1918, making it 107 years old in 2025.

What condition is Kennedy RD over Unnamed Stream 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 August 2023.

How much traffic does Kennedy RD over Unnamed Stream carry?

About 100 vehicles per day (2005 count), of which roughly 1% are trucks.

How long is Kennedy RD over Unnamed Stream?

The structure is 72 ft (21.9 m) long with a longest span of 70 ft (21.3 m) and a deck 21 ft wide.

Who owns Kennedy RD over Unnamed Stream?

It is owned by the County Highway Agency.