US Bridges

Baltimore Pike over US 1 By-Pass

Fair

Chester County, Pennsylvania · East Kennett Sq. 47H03 · Structure no. 000000000010509

Built
1965
60 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
111 ft
1 main span
Daily traffic
6,922
2024 count
Owner
State
State Highway Agency

About this bridge

Baltimore Pike over US 1 By-Pass is a steel stringer/multi-beam or girder carrying Baltimore Pike 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 6,922 vehicles a day, roughly 6% of them trucks, projected to reach 8,826 by 2032. The structure is 111 ft (33.8 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesBaltimore Pike
CrossesUS 1 By-Pass
LocationEast Kennett Sq. 47H03
RouteState Highway 0
CountyChester County
StatePennsylvania
Coordinates39.85747, -75.69228
Functional classUrban Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment7: Better than present minimum criteria
Operating rating87 US tons
Inventory rating52 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length111 ft (33.8 m)
Longest span106 ft (32.3 m)
Deck width31 ft (9.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,922 (2024)
Projected traffic8,826 by 2032
Trucks6%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway and pedestrian
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Baltimore Pike over US 1 By-Pass built?

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

What condition is Baltimore Pike 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 August 2024.

How much traffic does Baltimore Pike over US 1 By-Pass carry?

About 6,922 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Baltimore Pike over US 1 By-Pass?

The structure is 111 ft (33.8 m) long with a longest span of 106 ft (32.3 m) and a deck 31 ft wide.

Who owns Baltimore Pike over US 1 By-Pass?

It is owned by the State Highway Agency.