US Bridges

Northbrook Road over Broad Run Creek

Fair

Chester County, Pennsylvania · Northbrook 39J3 · Structure no. 000000000010527

Built
1987
38 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
2,322
2023 count
Owner
State
State Highway Agency

About this bridge

Northbrook Road over Broad Run Creek is a concrete culvert carrying Northbrook Road over Broad Run Creek in Chester County, Pennsylvania. It was built in 1987, so it is 38 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 6 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 2,322 vehicles a day, roughly 13% of them trucks, projected to reach 1,899 by 2032. The structure is 22 ft (6.7 m) long and 31 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesNorthbrook Road
CrossesBroad Run Creek
LocationNorthbrook 39J3
RouteState Highway 0
CountyChester County
StatePennsylvania
Coordinates39.93025, -75.68477
Functional classRural Minor Collector

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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.1 US tons
Inventory rating46 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,322 (2023)
Projected traffic1,899 by 2032
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Northbrook Road over Broad Run Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is Northbrook Road over Broad Run 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 August 2023.

How much traffic does Northbrook Road over Broad Run Creek carry?

About 2,322 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is Northbrook Road over Broad Run Creek?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 31 ft wide.

Who owns Northbrook Road over Broad Run Creek?

It is owned by the State Highway Agency.