US Bridges

Adams Grove RD over Sherman Creek

FairPosted for load

Perry County, Pennsylvania · 1.0 SE Blain/Sherm/Jcksn · Structure no. 000000000029713

Built
1904
121 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
112 ft
2 main spans
Daily traffic
75
2021 count
Owner
County
County Highway Agency

About this bridge

Adams Grove RD over Sherman Creek is a steel stringer/multi-beam or girder carrying Adams Grove RD over Sherman Creek in Perry County, Pennsylvania. It was built in 1904, so it is 121 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. Its operating status is: posted for load restriction.

It carries about 75 vehicles a day, projected to reach 105 by 2041. The structure is 112 ft (34.1 m) long and 12 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesAdams Grove RD
CrossesSherman Creek
Location1.0 SE Blain/Sherm/Jcksn
RouteCity Street 0
CountyPerry County
StatePennsylvania
Coordinates40.32935, -77.49139
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, 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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating19 US tons
Inventory rating14 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans2
Design loadHS 20
Structure length112 ft (34.1 m)
Longest span56 ft (17.1 m)
Deck width12 ft (3.8 m)
Roadway width12 ft (3.8 m)
Vertical clearance over deck11 ft (3.4 m)

Traffic and service

Average daily traffic75 (2021)
Projected traffic105 by 2041
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$243,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Adams Grove RD over Sherman Creek built?

It was built in 1904, making it 121 years old in 2025.

What condition is Adams Grove RD over Sherman Creek 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 October 2023.

How much traffic does Adams Grove RD over Sherman Creek carry?

About 75 vehicles per day (2021 count).

How long is Adams Grove RD over Sherman Creek?

The structure is 112 ft (34.1 m) long with a longest span of 56 ft (17.1 m) and a deck 12 ft wide.

Who owns Adams Grove RD over Sherman Creek?

It is owned by the County Highway Agency.