US Bridges

SR 358 Hadley Rd. over Shenango River TR

Fair

Mercer County, Pennsylvania · Otter Creek Township · Structure no. 000000000025874

Built
1935
90 years old
Condition
Fair
inspected November 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
22 ft
1 main span
Daily traffic
3,344
2023 count
Owner
State
State Highway Agency

About this bridge

SR 358 Hadley Rd. over Shenango River TR is a steel stringer/multi-beam or girder carrying SR 358 Hadley Rd. over Shenango River TR in Mercer County, Pennsylvania. It was built in 1935, so it is 90 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 3,344 vehicles a day, roughly 8% of them trucks, projected to reach 4,369 by 2032. The structure is 22 ft (6.7 m) long and 27 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesSR 358 Hadley Rd.
CrossesShenango River TR
LocationOtter Creek Township
RouteState Highway 358
CountyMercer County
StatePennsylvania
Coordinates41.41441, -80.26072
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length22 ft (6.7 m)
Longest span21 ft (6.4 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,344 (2023)
Projected traffic4,369 by 2032
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$43,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 358 Hadley Rd. over Shenango River TR built?

It was built in 1935, making it 90 years old in 2025.

What condition is SR 358 Hadley Rd. over Shenango River TR 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 SR 358 Hadley Rd. over Shenango River TR carry?

About 3,344 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is SR 358 Hadley Rd. over Shenango River TR?

The structure is 22 ft (6.7 m) long with a longest span of 21 ft (6.4 m) and a deck 27 ft wide.

Who owns SR 358 Hadley Rd. over Shenango River TR?

It is owned by the State Highway Agency.