US Bridges

Dutton Mill Road over Ridley Creek

FairPosted for load

Chester County, Pennsylvania · E Goshen Twp 3584-H4 · Structure no. 000000000010704

Built
1922
103 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Concrete
Length
32 ft
1 main span
Daily traffic
1,886
2018 count
Owner
County
County Highway Agency

About this bridge

Dutton Mill Road over Ridley Creek is a concrete tee beam carrying Dutton Mill Road over Ridley Creek in Chester County, Pennsylvania. It was built in 1922, so it is 103 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. Its operating status is: posted for load restriction.

It carries about 1,886 vehicles a day, roughly 7% of them trucks, projected to reach 2,075 by 2023. The structure is 32 ft (9.8 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesDutton Mill Road
CrossesRidley Creek
LocationE Goshen Twp 3584-H4
RouteCity Street 0
Coordinates39.98034, -75.51409
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
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating30 US tons
Inventory rating18 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span27 ft (8.2 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,886 (2018)
Projected traffic2,075 by 2023
Trucks7%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$363,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Dutton Mill Road over Ridley Creek built?

It was built in 1922, making it 103 years old in 2025.

What condition is Dutton Mill Road over Ridley 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 March 2023.

How much traffic does Dutton Mill Road over Ridley Creek carry?

About 1,886 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is Dutton Mill Road over Ridley Creek?

The structure is 32 ft (9.8 m) long with a longest span of 27 ft (8.2 m) and a deck 20 ft wide.

Who owns Dutton Mill Road over Ridley Creek?

It is owned by the County Highway Agency.