US Bridges

Sproul Road over US-1 Bypass

Poor

Delaware County, Pennsylvania · Springfield Twp 3587D10 · Structure no. 000000000014970

Built
1977
48 years old
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
118 ft
1 main span
Daily traffic
23,771
2023 count
Owner
State
State Highway Agency

About this bridge

Sproul Road over US-1 Bypass is a steel stringer/multi-beam or girder carrying Sproul Road over US-1 Bypass in Delaware County, Pennsylvania. It was built in 1977, so it is 48 years old, younger 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 23,771 vehicles a day, roughly 15% of them trucks, projected to reach 38,370 by 2032. The structure is 118 ft (36 m) long and 96 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSproul Road
CrossesUS-1 Bypass
LocationSpringfield Twp 3587D10
RouteState Highway 320
CountyDelaware County
StatePennsylvania
Coordinates39.93824, -75.35048
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2024
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating69 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length118 ft (36 m)
Longest span112 ft (34.1 m)
Deck width96 ft (29.4 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,771 (2023)
Projected traffic38,370 by 2032
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.7 mi (6 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$1.4 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sproul Road over US-1 Bypass built?

It was built in 1977, making it 48 years old in 2025.

What condition is Sproul Road over US-1 Bypass 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 July 2024.

How much traffic does Sproul Road over US-1 Bypass carry?

About 23,771 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is Sproul Road over US-1 Bypass?

The structure is 118 ft (36 m) long with a longest span of 112 ft (34.1 m) and a deck 96 ft wide.

Who owns Sproul Road over US-1 Bypass?

It is owned by the State Highway Agency.