US Bridges

Dutton Mill Road over Chester Creek

Fair

Delaware County, Pennsylvania · Aston Twp.Line 42K01 · Structure no. 000000000015321

Built
1966
59 years old
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
91 ft
1 main span
Daily traffic
11,154
2024 count
Owner
State
State Highway Agency

About this bridge

Dutton Mill Road over Chester Creek is a prestressed concrete box beam or girders - multiple carrying Dutton Mill Road over Chester Creek in Delaware County, Pennsylvania. It was built in 1966, so it is 59 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 11,154 vehicles a day, roughly 7% of them trucks, projected to reach 13,580 by 2032. The structure is 91 ft (27.7 m) long and 46 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesDutton Mill Road
CrossesChester Creek
LocationAston Twp.Line 42K01
RouteState Highway 0
CountyDelaware County
StatePennsylvania
Coordinates39.86929, -75.40869
Functional classUrban Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionNovember 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating73 US tons
Inventory rating34 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length91 ft (27.7 m)
Longest span90 ft (27.4 m)
Deck width46 ft (14 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,154 (2024)
Projected traffic13,580 by 2032
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 Dutton Mill Road over Chester Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is Dutton Mill Road over Chester 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 November 2023.

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

About 11,154 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Dutton Mill Road over Chester Creek?

The structure is 91 ft (27.7 m) long with a longest span of 90 ft (27.4 m) and a deck 46 ft wide.

Who owns Dutton Mill Road over Chester Creek?

It is owned by the State Highway Agency.