US Bridges

Brandywine Avenue over Mill-Race Creek

Fair

Chester County, Pennsylvania · < 1/2 Mi. Boot RD 30G4 · Structure no. 000000000010194

Built
1929
96 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
28 ft
1 main span
Daily traffic
14,824
2024 count
Owner
State
State Highway Agency

About this bridge

Brandywine Avenue over Mill-Race Creek is a concrete culvert carrying Brandywine Avenue over Mill-Race Creek in Chester County, Pennsylvania. It was built in 1929, so it is 96 years old, older 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 14,824 vehicles a day, roughly 5% of them trucks, projected to reach 17,485 by 2032. The structure is 28 ft (8.5 m) long and 44 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesBrandywine Avenue
CrossesMill-Race Creek
Location< 1/2 Mi. Boot RD 30G4
RouteU.S. Route 322
Coordinates39.9962, -75.701
Functional classUrban Other Principal Arterial

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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,824 (2024)
Projected traffic17,485 by 2032
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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 Brandywine Avenue over Mill-Race Creek built?

It was built in 1929, making it 96 years old in 2025.

What condition is Brandywine Avenue over Mill-Race 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 Brandywine Avenue over Mill-Race Creek carry?

About 14,824 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Brandywine Avenue over Mill-Race Creek?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m) and a deck 44 ft wide.

Who owns Brandywine Avenue over Mill-Race Creek?

It is owned by the State Highway Agency.