US Bridges

Walnut Street over East Branch Red Clay Cr.

Fair

Chester County, Pennsylvania · 1MI.CLIFTON Mill 47G06 · Structure no. 000000000010439

Built
1923
102 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete Continuous
Length
42 ft
2 main spans
Daily traffic
2,912
2024 count
Owner
State
State Highway Agency

About this bridge

Walnut Street over East Branch Red Clay Cr. is a concrete continuous slab carrying Walnut Street over East Branch Red Clay Cr. in Chester County, Pennsylvania. It was built in 1923, so it is 102 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 2,912 vehicles a day, roughly 5% of them trucks, projected to reach 3,499 by 2032. The structure is 42 ft (12.8 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWalnut Street
CrossesEast Branch Red Clay Cr.
Location1MI.CLIFTON Mill 47G06
RouteState Highway 0
Coordinates39.84124, -75.70286
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
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 geometry4: Meets minimum tolerable limits to be 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 rating41 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length42 ft (12.8 m)
Longest span20 ft (6.1 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,912 (2024)
Projected traffic3,499 by 2032
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$665,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Walnut Street over East Branch Red Clay Cr. built?

It was built in 1923, making it 102 years old in 2025.

What condition is Walnut Street over East Branch Red Clay Cr. 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 2024.

How much traffic does Walnut Street over East Branch Red Clay Cr. carry?

About 2,912 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Walnut Street over East Branch Red Clay Cr.?

The structure is 42 ft (12.8 m) long with a longest span of 20 ft (6.1 m) and a deck 33 ft wide.

Who owns Walnut Street over East Branch Red Clay Cr.?

It is owned by the State Highway Agency.