US Bridges

Frog Hollow Road over Branch of Buck Run

PoorPosted for load

Chester County, Pennsylvania · .3 MI E. of PA-82 3689-J2 · Structure no. 000000000010777

Built
1930
95 years old
Condition
Poor
inspected May 2024
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
560
2015 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Frog Hollow Road over Branch of Buck Run is a concrete slab carrying Frog Hollow Road over Branch of Buck Run in Chester County, Pennsylvania. It was built in 1930, so it is 95 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 560 vehicles a day, roughly 2% of them trucks, projected to reach 600 by 2035. The structure is 23 ft (7 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesFrog Hollow Road
CrossesBranch of Buck Run
Location.3 MI E. of PA-82 3689-J2
RouteCity Street 0
CountyChester County
StatePennsylvania
Coordinates39.92938, -75.82256
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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26 US tons
Inventory rating15 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length23 ft (7 m)
Longest span20 ft (6.1 m)
Deck width25 ft (7.5 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic560 (2015)
Projected traffic600 by 2035
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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$96,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Frog Hollow Road over Branch of Buck Run built?

It was built in 1930, making it 95 years old in 2025.

What condition is Frog Hollow Road over Branch of Buck 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 May 2024.

How much traffic does Frog Hollow Road over Branch of Buck Run carry?

About 560 vehicles per day (2015 count), of which roughly 2% are trucks.

How long is Frog Hollow Road over Branch of Buck Run?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.1 m) and a deck 25 ft wide.

Who owns Frog Hollow Road over Branch of Buck Run?

It is owned by the Town or Township Highway Agency.