US Bridges

Grimm RD over Potter Run

PoorPosted for load

Lawrence County, Pennsylvania · 037002 Washington Twp · Structure no. 000000000022567

Built
1922
103 years old
Condition
Poor
inspected July 2024
Type
Other
Concrete
Length
30 ft
1 main span
Daily traffic
50
2006 count
Owner
County
County Highway Agency

About this bridge

Grimm RD over Potter Run is a concrete other carrying Grimm RD over Potter Run in Lawrence County, Pennsylvania. It was built in 1922, so it is 103 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, roughly 5% of them trucks, projected to reach 50 by 2026. The structure is 30 ft (9.1 m) long and 15 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesGrimm RD
CrossesPotter Run
Location037002 Washington Twp
RouteCity Street 0
Coordinates41.10946, -80.25426
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, 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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be 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 rating26 US tons
Inventory rating15 US tons

Structure

Structure typeOther
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span27 ft (8.2 m)
Deck width15 ft (4.6 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2006)
Projected traffic50 by 2026
Trucks5%
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$203,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Grimm RD over Potter Run built?

It was built in 1922, making it 103 years old in 2025.

What condition is Grimm RD over Potter Run in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does Grimm RD over Potter Run carry?

About 50 vehicles per day (2006 count), of which roughly 5% are trucks.

How long is Grimm RD over Potter Run?

The structure is 30 ft (9.1 m) long with a longest span of 27 ft (8.2 m) and a deck 15 ft wide.

Who owns Grimm RD over Potter Run?

It is owned by the County Highway Agency.