US Bridges

Conards Mill Road over W. Br. White Clay Creek

Fair

Chester County, Pennsylvania · Ngalloping Hill RD3909E6 · Structure no. 000000000054134

Built
1990
35 years old
Condition
Fair
inspected February 2023
Type
Culvert
Steel
Length
33 ft
3 main spans
Daily traffic
500
2017 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Conards Mill Road over W. Br. White Clay Creek is a steel culvert carrying Conards Mill Road over W. Br. White Clay Creek in Chester County, Pennsylvania. It was built in 1990, so it is 35 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 500 vehicles a day, roughly 2% of them trucks, projected to reach 600 by 2037. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesConards Mill Road
CrossesW. Br. White Clay Creek
LocationNgalloping Hill RD3909E6
RouteCity Street 0
CountyChester County
StatePennsylvania
Coordinates39.776, -75.84935
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2023
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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80 US tons
Inventory rating48 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length33 ft (10.1 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2017)
Projected traffic600 by 2037
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Conards Mill Road over W. Br. White Clay Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is Conards Mill Road over W. Br. White Clay 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 February 2023.

How much traffic does Conards Mill Road over W. Br. White Clay Creek carry?

About 500 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Conards Mill Road over W. Br. White Clay Creek?

The structure is 33 ft (10.1 m) long with a longest span of 9 ft (2.7 m).

Who owns Conards Mill Road over W. Br. White Clay Creek?

It is owned by the Town or Township Highway Agency.