US Bridges

St.Davids Road over Darby Creek / 3476-F8

Fair

Delaware County, Pennsylvania · 1MI.W.NEWTOWN Rd. 14A13 · Structure no. 000000000015208

Built
1810
215 years old, rebuilt 2012
Condition
Fair
inspected December 2022
Type
Arch - Deck
Masonry
Length
26 ft
1 main span
Daily traffic
5,835
2024 count
Owner
State
State Highway Agency

About this bridge

St.Davids Road over Darby Creek / 3476-F8 is a masonry arch - deck carrying St.Davids Road over Darby Creek / 3476-F8 in Delaware County, Pennsylvania. It was built in 1810 and reconstructed in 2012, so it is 215 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 5,835 vehicles a day, roughly 3% of them trucks, projected to reach 8,066 by 2032. The structure is 26 ft (7.9 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSt.Davids Road
CrossesDarby Creek / 3476-F8
Location1MI.W.NEWTOWN Rd. 14A13
RouteState Highway 0
CountyDelaware County
StatePennsylvania
Coordinates40.01731, -75.4053
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
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 inspectionDecember 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88 US tons
Inventory rating44 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans1
Design loadH 15
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,835 (2024)
Projected traffic8,066 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 statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was St.Davids Road over Darby Creek / 3476-F8 built?

It was built in 1810, making it 215 years old in 2025. It was reconstructed in 2012.

What condition is St.Davids Road over Darby Creek / 3476-F8 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 December 2022.

How much traffic does St.Davids Road over Darby Creek / 3476-F8 carry?

About 5,835 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is St.Davids Road over Darby Creek / 3476-F8?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 28 ft wide.

Who owns St.Davids Road over Darby Creek / 3476-F8?

It is owned by the State Highway Agency.