US Bridges

SR 850-PA 850 over Laurel Run

Poor

Juniata County, Pennsylvania · Honey Grove · Structure no. 000000000020101

Built
1938
87 years old, rebuilt 1947
Condition
Poor
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
29 ft
1 main span
Daily traffic
199
2024 count
Owner
State
State Highway Agency

About this bridge

SR 850-PA 850 over Laurel Run is a steel stringer/multi-beam or girder carrying SR 850-PA 850 over Laurel Run in Juniata County, Pennsylvania. It was built in 1938 and reconstructed in 1947, so it is 87 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.

It carries about 199 vehicles a day, roughly 13% of them trucks, projected to reach 309 by 2043. The structure is 29 ft (8.8 m) long and 26 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesSR 850-PA 850
CrossesLaurel Run
LocationHoney Grove
RouteState Highway 850
CountyJuniata County
StatePennsylvania
Coordinates40.40576, -77.55664
Functional classRural Major 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
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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating66 US tons
Inventory rating39 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckClosed grating
Main spans1
Design loadH 20
Structure length29 ft (8.8 m)
Longest span27 ft (8.2 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic199 (2024)
Projected traffic309 by 2043
Trucks13%
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$415,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 850-PA 850 over Laurel Run built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1947.

What condition is SR 850-PA 850 over Laurel 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 September 2023.

How much traffic does SR 850-PA 850 over Laurel Run carry?

About 199 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is SR 850-PA 850 over Laurel Run?

The structure is 29 ft (8.8 m) long with a longest span of 27 ft (8.2 m) and a deck 26 ft wide.

Who owns SR 850-PA 850 over Laurel Run?

It is owned by the State Highway Agency.