US Bridges

Dorlan Mill Road over East Br Brandywine Creek

Fair

Chester County, Pennsylvania · At 282 Intersect. 20E7 · Structure no. 000000000010617

Built
1931
94 years old, rebuilt 2014
Condition
Fair
inspected October 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
92 ft
2 main spans
Daily traffic
3,479
2024 count
Owner
State
State Highway Agency

About this bridge

Dorlan Mill Road over East Br Brandywine Creek is a steel stringer/multi-beam or girder carrying Dorlan Mill Road over East Br Brandywine Creek in Chester County, Pennsylvania. It was built in 1931 and reconstructed in 2014, so it is 94 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 3,479 vehicles a day, roughly 3% of them trucks, projected to reach 3,962 by 2032. The structure is 92 ft (28 m) long and 21 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesDorlan Mill Road
CrossesEast Br Brandywine Creek
LocationAt 282 Intersect. 20E7
RouteState Highway 0
Coordinates40.04771, -75.71689
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2022
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating49.3 US tons
Inventory rating37.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length92 ft (28 m)
Longest span45 ft (13.7 m)
Deck width21 ft (6.4 m)
Roadway width19 ft (5.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,479 (2024)
Projected traffic3,962 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$279,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Dorlan Mill Road over East Br Brandywine Creek built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 2014.

What condition is Dorlan Mill Road over East Br Brandywine 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 October 2022.

How much traffic does Dorlan Mill Road over East Br Brandywine Creek carry?

About 3,479 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Dorlan Mill Road over East Br Brandywine Creek?

The structure is 92 ft (28 m) long with a longest span of 45 ft (13.7 m) and a deck 21 ft wide.

Who owns Dorlan Mill Road over East Br Brandywine Creek?

It is owned by the State Highway Agency.