US Bridges

Glen Willow Road over US 1 By-Pass

Fair

Chester County, Pennsylvania · .9MI.NORTH Pa 41 46D04 · Structure no. 000000000009902

Built
1965
60 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
210 ft
4 main spans
Daily traffic
360
2024 count
Owner
State
State Highway Agency

About this bridge

Glen Willow Road over US 1 By-Pass is a prestressed concrete box beam or girders - multiple carrying Glen Willow Road over US 1 By-Pass in Chester County, Pennsylvania. It was built in 1965, so it is 60 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 360 vehicles a day, roughly 15% of them trucks, projected to reach 698 by 2032. The structure is 210 ft (64 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesGlen Willow Road
CrossesUS 1 By-Pass
Location.9MI.NORTH Pa 41 46D04
RouteState Highway 0
CountyChester County
StatePennsylvania
Coordinates39.84507, -75.78793
Functional classUrban Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating25 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length210 ft (64 m)
Longest span68 ft (20.7 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic360 (2024)
Projected traffic698 by 2032
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$890,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Glen Willow Road over US 1 By-Pass built?

It was built in 1965, making it 60 years old in 2025.

What condition is Glen Willow Road over US 1 By-Pass 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 2024.

How much traffic does Glen Willow Road over US 1 By-Pass carry?

About 360 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is Glen Willow Road over US 1 By-Pass?

The structure is 210 ft (64 m) long with a longest span of 68 ft (20.7 m) and a deck 33 ft wide.

Who owns Glen Willow Road over US 1 By-Pass?

It is owned by the State Highway Agency.