US Bridges

Old US-1(BALTIMORE over Ring Run

Fair

Chester County, Pennsylvania · 3MI.N.KENNETT Sq. 41A13 · Structure no. 000000000009919

Built
1938
87 years old, rebuilt 1960
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete
Length
24 ft
1 main span
Daily traffic
24,552
2024 count
Owner
State
State Highway Agency

About this bridge

Old US-1(BALTIMORE over Ring Run is a concrete tee beam carrying Old US-1(BALTIMORE over Ring Run in Chester County, Pennsylvania. It was built in 1938 and reconstructed in 1960, so it is 87 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 24,552 vehicles a day, roughly 5% of them trucks, projected to reach 31,519 by 2032. The structure is 24 ft (7.3 m) long and 77 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesOld US-1(BALTIMORE
CrossesRing Run
Location3MI.N.KENNETT Sq. 41A13
RouteU.S. Route 1
Coordinates39.87172, -75.60692
Functional classUrban Other Principal 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.
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.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span23 ft (7 m)
Deck width77 ft (23.5 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,552 (2024)
Projected traffic31,519 by 2032
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$210,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Old US-1(BALTIMORE over Ring Run built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1960.

What condition is Old US-1(BALTIMORE over Ring Run 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 July 2024.

How much traffic does Old US-1(BALTIMORE over Ring Run carry?

About 24,552 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Old US-1(BALTIMORE over Ring Run?

The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m) and a deck 77 ft wide.

Who owns Old US-1(BALTIMORE over Ring Run?

It is owned by the State Highway Agency.