US Bridges

State Road over Cobbs Creek

Fair

Delaware County, Pennsylvania · .5MI.EAST PA-3 27A10 · Structure no. 000000000015284

Built
1935
90 years old
Condition
Fair
inspected March 2023
Type
Arch - Deck
Masonry
Length
33 ft
1 main span
Daily traffic
9,752
2023 count
Owner
State
State Highway Agency

About this bridge

State Road over Cobbs Creek is a masonry arch - deck carrying State Road over Cobbs Creek in Delaware County, Pennsylvania. It was built in 1935, so it is 90 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 6 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 9,752 vehicles a day, roughly 2% of them trucks, projected to reach 11,374 by 2032. The structure is 33 ft (10.1 m) long and 52 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesState Road
CrossesCobbs Creek
Location.5MI.EAST PA-3 27A10
RouteState Highway 0
CountyDelaware County
StatePennsylvania
Coordinates39.96614, -75.26746
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating30 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans1
Design loadH 15
Structure length33 ft (10.1 m)
Longest span30 ft (9.1 m)
Deck width52 ft (15.8 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,752 (2023)
Projected traffic11,374 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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$957,000
NavigationNo navigation control on waterway

Frequently asked questions

When was State Road over Cobbs Creek built?

It was built in 1935, making it 90 years old in 2025.

What condition is State Road over Cobbs 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 State Road over Cobbs Creek carry?

About 9,752 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is State Road over Cobbs Creek?

The structure is 33 ft (10.1 m) long with a longest span of 30 ft (9.1 m) and a deck 52 ft wide.

Who owns State Road over Cobbs Creek?

It is owned by the State Highway Agency.