US Bridges

SR 3018 Walnut ST over Over NS RR / Shenango R.

Fair

Mercer County, Pennsylvania · Sharpsville Borough · Structure no. 000000000026003

Built
1986
39 years old, rebuilt 1996
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
445 ft
4 main spans
Daily traffic
5,858
2023 count
Owner
State
State Highway Agency

About this bridge

SR 3018 Walnut ST over Over NS RR / Shenango R. is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 3018 Walnut ST over Over NS RR / Shenango R. in Mercer County, Pennsylvania. It was built in 1986 and reconstructed in 1996, so it is 39 years old, younger 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 5,858 vehicles a day, roughly 10% of them trucks, projected to reach 9,950 by 2032. The structure is 445 ft (135.6 m) long and 41 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesSR 3018 Walnut ST
CrossesOver NS RR / Shenango R.
LocationSharpsville Borough
RouteState Highway 0
CountyMercer County
StatePennsylvania
Coordinates41.26898, -80.47923
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating80 US tons
Inventory rating16 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length445 ft (135.6 m)
Longest span130 ft (39.6 m)
Deck width41 ft (12.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,858 (2023)
Projected traffic9,950 by 2032
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad and waterway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 3018 Walnut ST over Over NS RR / Shenango R. built?

It was built in 1986, making it 39 years old in 2025. It was reconstructed in 1996.

What condition is SR 3018 Walnut ST over Over NS RR / Shenango R. 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 2024.

How much traffic does SR 3018 Walnut ST over Over NS RR / Shenango R. carry?

About 5,858 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is SR 3018 Walnut ST over Over NS RR / Shenango R.?

The structure is 445 ft (135.6 m) long with a longest span of 130 ft (39.6 m) and a deck 41 ft wide.

Who owns SR 3018 Walnut ST over Over NS RR / Shenango R.?

It is owned by the State Highway Agency.