US Bridges

Mid-County Exwy. over Ithan Creek

Fair

Delaware County, Pennsylvania · Radnor Township 14G13 · Structure no. 000000000015130

Built
1967
58 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
21 ft
1 main span
Daily traffic
88,586
2024 count
Owner
State
State Highway Agency

About this bridge

Mid-County Exwy. over Ithan Creek is a concrete culvert carrying Mid-County Exwy. over Ithan Creek in Delaware County, Pennsylvania. It was built in 1967, so it is 58 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 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 88,586 vehicles a day, roughly 10% of them trucks, projected to reach 132,564 by 2032. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMid-County Exwy.
CrossesIthan Creek
LocationRadnor Township 14G13
RouteInterstate 476
CountyDelaware County
StatePennsylvania
Coordinates40.01998, -75.35955
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83 US tons
Inventory rating50 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span18 ft (5.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic88,586 (2024)
Projected traffic132,564 by 2032
Trucks10%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 Mid-County Exwy. over Ithan Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is Mid-County Exwy. over Ithan Creek 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 2023.

How much traffic does Mid-County Exwy. over Ithan Creek carry?

About 88,586 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Mid-County Exwy. over Ithan Creek?

The structure is 21 ft (6.4 m) long with a longest span of 18 ft (5.5 m).

Who owns Mid-County Exwy. over Ithan Creek?

It is owned by the State Highway Agency.