US Bridges

Darlington Road over Chester Creek

Fair

Delaware County, Pennsylvania · Darlington Road 33A08 · Structure no. 000000000015348

Built
1930
95 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Concrete Continuous
Length
142 ft
2 main spans
Daily traffic
980
2024 count
Owner
State
State Highway Agency

About this bridge

Darlington Road over Chester Creek is a concrete continuous tee beam carrying Darlington Road over Chester Creek in Delaware County, Pennsylvania. It was built in 1930, so it is 95 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 980 vehicles a day, roughly 6% of them trucks, projected to reach 1,140 by 2032. The structure is 142 ft (43.3 m) long and 34 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesDarlington Road
CrossesChester Creek
LocationDarlington Road 33A08
RouteState Highway 0
CountyDelaware County
StatePennsylvania
Coordinates39.90156, -75.47079
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating32 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length142 ft (43.3 m)
Longest span66 ft (20.1 m)
Deck width34 ft (10.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic980 (2024)
Projected traffic1,140 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.2 mi (10 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 Darlington Road over Chester Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is Darlington 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 Darlington Road over Chester Creek carry?

About 980 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Darlington Road over Chester Creek?

The structure is 142 ft (43.3 m) long with a longest span of 66 ft (20.1 m) and a deck 34 ft wide.

Who owns Darlington Road over Chester Creek?

It is owned by the State Highway Agency.