US Bridges

Bryn Mawr Avenue over Branch Darby Creek

Good

Delaware County, Pennsylvania · 1MI.EAST of PA-3 25E04 · Structure no. 000000000015195

Built
1966
59 years old
Condition
Good
inspected January 2023
Type
Culvert
Concrete
Length
30 ft
1 main span
Daily traffic
7,425
2024 count
Owner
State
State Highway Agency

About this bridge

Bryn Mawr Avenue over Branch Darby Creek is a concrete culvert carrying Bryn Mawr Avenue over Branch Darby Creek in Delaware County, Pennsylvania. It was built in 1966, so it is 59 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,425 vehicles a day, roughly 3% of them trucks, projected to reach 13,116 by 2032. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesBryn Mawr Avenue
CrossesBranch Darby Creek
Location1MI.EAST of PA-3 25E04
RouteState Highway 0
Coordinates39.99681, -75.37571
Functional classUrban Minor Arterial

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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79 US tons
Inventory rating47 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,425 (2024)
Projected traffic13,116 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 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 Bryn Mawr Avenue over Branch Darby Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is Bryn Mawr Avenue over Branch Darby 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 Bryn Mawr Avenue over Branch Darby Creek carry?

About 7,425 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Bryn Mawr Avenue over Branch Darby Creek?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m).

Who owns Bryn Mawr Avenue over Branch Darby Creek?

It is owned by the State Highway Agency.