US Bridges

Ardmore Avenue over Cobbs Creek

Good

Delaware County, Pennsylvania · SW Rt 30 26E03/ 3588-A1 · Structure no. 000000000067617

Built
2020
5 years old
Condition
Good
inspected January 2023
Type
Arch - Deck
Concrete
Length
36 ft
1 main span
Daily traffic
12,687
2024 count
Owner
State
State Highway Agency

About this bridge

Ardmore Avenue over Cobbs Creek is a concrete arch - deck carrying Ardmore Avenue over Cobbs Creek in Delaware County, Pennsylvania. It was built in 2020, so it is 5 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 12,687 vehicles a day, roughly 8% of them trucks, projected to reach 12,481 by 2032. The structure is 36 ft (11 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesArdmore Avenue
CrossesCobbs Creek
LocationSW Rt 30 26E03/ 3588-A1
RouteState Highway 0
CountyDelaware County
StatePennsylvania
Coordinates39.99977, -75.3105
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
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 rating50 US tons
Inventory rating39.2 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length36 ft (11 m)
Longest span32 ft (9.8 m)
Deck width36 ft (11.1 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,687 (2024)
Projected traffic12,481 by 2032
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ardmore Avenue over Cobbs Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is Ardmore Avenue over Cobbs Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2023.

How much traffic does Ardmore Avenue over Cobbs Creek carry?

About 12,687 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Ardmore Avenue over Cobbs Creek?

The structure is 36 ft (11 m) long with a longest span of 32 ft (9.8 m) and a deck 36 ft wide.

Who owns Ardmore Avenue over Cobbs Creek?

It is owned by the State Highway Agency.