US Bridges

Route 30 By-Pass over Hike/Bike Path

Fair

Chester County, Pennsylvania · Downingtown 20G13 · Structure no. 000000000009977

Built
1961
64 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
37 ft
1 main span
Daily traffic
69,924
2024 count
Owner
State
State Highway Agency

About this bridge

Route 30 By-Pass over Hike/Bike Path is a prestressed concrete box beam or girders - multiple carrying Route 30 By-Pass over Hike/Bike Path in Chester County, Pennsylvania. It was built in 1961, so it is 64 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 5 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 69,924 vehicles a day, roughly 7% of them trucks, projected to reach 91,868 by 2032. The structure is 37 ft (11.3 m) long and 77 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesRoute 30 By-Pass
CrossesHike/Bike Path
LocationDowningtown 20G13
RouteU.S. Route 30
Coordinates40.01808, -75.70472
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating37 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span37 ft (11.3 m)
Deck width77 ft (23.5 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic69,924 (2024)
Projected traffic91,868 by 2032
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesPedestrian / bicycle
Detour if closed3.7 mi (6 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$260,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Route 30 By-Pass over Hike/Bike Path built?

It was built in 1961, making it 64 years old in 2025.

What condition is Route 30 By-Pass over Hike/Bike Path 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 June 2023.

How much traffic does Route 30 By-Pass over Hike/Bike Path carry?

About 69,924 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Route 30 By-Pass over Hike/Bike Path?

The structure is 37 ft (11.3 m) long with a longest span of 37 ft (11.3 m) and a deck 77 ft wide.

Who owns Route 30 By-Pass over Hike/Bike Path?

It is owned by the State Highway Agency.