US Bridges

Limestone Road over US-1 By-Pass

Poor

Chester County, Pennsylvania · North of Oxford 43H11 · Structure no. 000000000009929

Built
1968
57 years old
Condition
Poor
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
150 ft
2 main spans
Daily traffic
9,650
2024 count
Owner
State
State Highway Agency

About this bridge

Limestone Road over US-1 By-Pass is a prestressed concrete stringer/multi-beam or girder carrying Limestone Road over US-1 By-Pass in Chester County, Pennsylvania. It was built in 1968, so it is 57 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 9,650 vehicles a day, roughly 16% of them trucks, projected to reach 10,410 by 2032. The structure is 150 ft (45.7 m) long and 46 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesLimestone Road
CrossesUS-1 By-Pass
LocationNorth of Oxford 43H11
RouteState Highway 10
Coordinates39.80724, -75.96691
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating85 US tons
Inventory rating26 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length150 ft (45.7 m)
Longest span74 ft (22.6 m)
Deck width46 ft (13.9 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,650 (2024)
Projected traffic10,410 by 2032
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.8 mi (11 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$1.2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Limestone Road over US-1 By-Pass built?

It was built in 1968, making it 57 years old in 2025.

What condition is Limestone Road over US-1 By-Pass in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2023.

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

About 9,650 vehicles per day (2024 count), of which roughly 16% are trucks.

How long is Limestone Road over US-1 By-Pass?

The structure is 150 ft (45.7 m) long with a longest span of 74 ft (22.6 m) and a deck 46 ft wide.

Who owns Limestone Road over US-1 By-Pass?

It is owned by the State Highway Agency.