US Bridges

Ramp L-N (nb On) over Browns Run;access Road

Fair

Delaware County, Pennsylvania · Near Villanova 14H09 · Structure no. 000000000015503

Built
1990
35 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
101 ft
1 main span
Daily traffic
12,422
2024 count
Owner
State
State Highway Agency

About this bridge

Ramp L-N (nb On) over Browns Run;access Road is a prestressed concrete box beam or girders - multiple carrying Ramp L-N (nb On) over Browns Run;access Road in Delaware County, Pennsylvania. It was built in 1990, so it is 35 years old, younger 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 12,422 vehicles a day, roughly 7% of them trucks, projected to reach 14,852 by 2032. The structure is 101 ft (30.8 m) long and 44 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesRamp L-N (nb On)
CrossesBrowns Run;access Road
LocationNear Villanova 14H09
RouteState Highway 0
CountyDelaware County
StatePennsylvania
Coordinates40.03806, -75.35317
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating64 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length101 ft (30.8 m)
Longest span97 ft (29.6 m)
Deck width44 ft (13.3 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,422 (2024)
Projected traffic14,852 by 2032
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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 Ramp L-N (nb On) over Browns Run;access Road built?

It was built in 1990, making it 35 years old in 2025.

What condition is Ramp L-N (nb On) over Browns Run;access Road 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 October 2023.

How much traffic does Ramp L-N (nb On) over Browns Run;access Road carry?

About 12,422 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Ramp L-N (nb On) over Browns Run;access Road?

The structure is 101 ft (30.8 m) long with a longest span of 97 ft (29.6 m) and a deck 44 ft wide.

Who owns Ramp L-N (nb On) over Browns Run;access Road?

It is owned by the State Highway Agency.