US Bridges

College Avenue over Cobbs Creek

Good

Delaware County, Pennsylvania · SW Haverford Rd. 3477K09 · Structure no. 000000000055744

Built
2018
7 years old
Condition
Good
inspected July 2022
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
5,225
2023 count
Owner
State
State Highway Agency

About this bridge

College Avenue over Cobbs Creek is a concrete culvert carrying College Avenue over Cobbs Creek in Delaware County, Pennsylvania. It was built in 2018, so it is 7 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 5,225 vehicles a day, roughly 3% of them trucks, projected to reach 5,793 by 2032. The structure is 24 ft (7.3 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCollege Avenue
CrossesCobbs Creek
LocationSW Haverford Rd. 3477K09
RouteState Highway 0
Coordinates40.00833, -75.31457
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJuly 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating107.1 US tons
Inventory rating106.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,225 (2023)
Projected traffic5,793 by 2032
Trucks3%
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 College Avenue over Cobbs Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is College 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 July 2022.

How much traffic does College Avenue over Cobbs Creek carry?

About 5,225 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is College Avenue over Cobbs Creek?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 32 ft wide.

Who owns College Avenue over Cobbs Creek?

It is owned by the State Highway Agency.