US Bridges

Old Mill Road over Buck Run

Fair

Chester County, Pennsylvania · 800 N of Bus 30 3578-E3 · Structure no. 000000000010811

Built
1975
50 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
25 ft
1 main span
Daily traffic
210
2015 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Old Mill Road over Buck Run is a concrete culvert carrying Old Mill Road over Buck Run in Chester County, Pennsylvania. It was built in 1975, so it is 50 years old, younger 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 210 vehicles a day, roughly 2% of them trucks, projected to reach 300 by 2035. The structure is 25 ft (7.6 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesOld Mill Road
CrossesBuck Run
Location800 N of Bus 30 3578-E3
RouteCity Street 0
CountyChester County
StatePennsylvania
Coordinates39.98321, -75.91103
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
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span25 ft (7.6 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic210 (2015)
Projected traffic300 by 2035
Trucks2%
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

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Mill Road over Buck Run built?

It was built in 1975, making it 50 years old in 2025.

What condition is Old Mill Road over Buck Run 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 April 2024.

How much traffic does Old Mill Road over Buck Run carry?

About 210 vehicles per day (2015 count), of which roughly 2% are trucks.

How long is Old Mill Road over Buck Run?

The structure is 25 ft (7.6 m) long with a longest span of 25 ft (7.6 m) and a deck 28 ft wide.

Who owns Old Mill Road over Buck Run?

It is owned by the Town or Township Highway Agency.