US Bridges

Carpenter Road over Little Shenango

Poor

Mercer County, Pennsylvania · 1-MI South of Rt 358 · Structure no. 000000000026202

Built
1961
64 years old
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
74 ft
1 main span
Daily traffic
87
2024 count
Owner
County
County Highway Agency

About this bridge

Carpenter Road over Little Shenango is a steel stringer/multi-beam or girder carrying Carpenter Road over Little Shenango in Mercer County, Pennsylvania. It was built in 1961, so it is 64 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 3 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.

It carries about 87 vehicles a day, roughly 4% of them trucks, projected to reach 110 by 2039. The structure is 74 ft (22.6 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCarpenter Road
CrossesLittle Shenango
Location1-MI South of Rt 358
RouteCity Street 7216
Coordinates41.37327, -80.16714
Functional classRural Minor Collector

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
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
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 protection9 ExcellentNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79 US tons
Inventory rating47 US tons

Structure

MaterialSteel
DeckOpen grating
Main spans1
Design loadHS 20
Structure length74 ft (22.6 m)
Longest span72 ft (21.9 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic87 (2024)
Projected traffic110 by 2039
Trucks4%
Lanes on structure2
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Carpenter Road over Little Shenango built?

It was built in 1961, making it 64 years old in 2025.

What condition is Carpenter Road over Little Shenango 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 June 2024.

How much traffic does Carpenter Road over Little Shenango carry?

About 87 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Carpenter Road over Little Shenango?

The structure is 74 ft (22.6 m) long with a longest span of 72 ft (21.9 m) and a deck 26 ft wide.

Who owns Carpenter Road over Little Shenango?

It is owned by the County Highway Agency.