US Bridges

Conchester Highway over Market Street / 3806-B5

Fair

Delaware County, Pennsylvania · Upper Chichester 42H05 · Structure no. 000000000014987

Built
1949
76 years old
Condition
Fair
inspected August 2023
Type
Frame
Concrete
Length
54 ft
1 main span
Daily traffic
32,167
2024 count
Owner
State
State Highway Agency

About this bridge

Conchester Highway over Market Street / 3806-B5 is a concrete frame carrying Conchester Highway over Market Street / 3806-B5 in Delaware County, Pennsylvania. It was built in 1949, so it is 76 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 32,167 vehicles a day, roughly 7% of them trucks, projected to reach 42,103 by 2032. The structure is 54 ft (16.5 m) long and 60 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesConchester Highway
CrossesMarket Street / 3806-B5
LocationUpper Chichester 42H05
RouteU.S. Route 322
CountyDelaware County
StatePennsylvania
Coordinates39.8459, -75.42567
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
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.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68 US tons
Inventory rating34 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length54 ft (16.5 m)
Longest span50 ft (15.2 m)
Deck width60 ft (18.3 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,167 (2024)
Projected traffic42,103 by 2032
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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$136,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Conchester Highway over Market Street / 3806-B5 built?

It was built in 1949, making it 76 years old in 2025.

What condition is Conchester Highway over Market Street / 3806-B5 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 2023.

How much traffic does Conchester Highway over Market Street / 3806-B5 carry?

About 32,167 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Conchester Highway over Market Street / 3806-B5?

The structure is 54 ft (16.5 m) long with a longest span of 50 ft (15.2 m) and a deck 60 ft wide.

Who owns Conchester Highway over Market Street / 3806-B5?

It is owned by the State Highway Agency.