US Bridges

Chester Road over Mid-County Exwy;crum Ck.

Fair

Delaware County, Pennsylvania · 1MI.TO Chester 34H11 · Structure no. 000000000014966

Built
1989
36 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
686 ft
4 main spans
Daily traffic
8,553
2024 count
Owner
State
State Highway Agency

About this bridge

Chester Road over Mid-County Exwy;crum Ck. is a steel continuous stringer/multi-beam or girder carrying Chester Road over Mid-County Exwy;crum Ck. in Delaware County, Pennsylvania. It was built in 1989, so it is 36 years old, younger 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 6 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 8,553 vehicles a day, roughly 4% of them trucks, projected to reach 10,492 by 2032. The structure is 686 ft (209.1 m) long and 52 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesChester Road
CrossesMid-County Exwy;crum Ck.
Location1MI.TO Chester 34H11
RouteState Highway 320
CountyDelaware County
StatePennsylvania
Coordinates39.88724, -75.35574
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length686 ft (209.1 m)
Longest span188 ft (57.3 m)
Deck width52 ft (15.9 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,553 (2024)
Projected traffic10,492 by 2032
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Chester Road over Mid-County Exwy;crum Ck. built?

It was built in 1989, making it 36 years old in 2025.

What condition is Chester Road over Mid-County Exwy;crum Ck. 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 March 2024.

How much traffic does Chester Road over Mid-County Exwy;crum Ck. carry?

About 8,553 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Chester Road over Mid-County Exwy;crum Ck.?

The structure is 686 ft (209.1 m) long with a longest span of 188 ft (57.3 m) and a deck 52 ft wide.

Who owns Chester Road over Mid-County Exwy;crum Ck.?

It is owned by the State Highway Agency.