US Bridges

Lenni Road over Chester Creek

Fair

Delaware County, Pennsylvania · 2MI.SW.OF Pa 452 33D10 · Structure no. 000000000015335

Built
1987
38 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
106 ft
2 main spans
Daily traffic
4,043
2024 count
Owner
State
State Highway Agency

About this bridge

Lenni Road over Chester Creek is a steel continuous stringer/multi-beam or girder carrying Lenni Road over Chester Creek in Delaware County, Pennsylvania. It was built in 1987, so it is 38 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 4,043 vehicles a day, roughly 6% of them trucks, projected to reach 5,111 by 2032. The structure is 106 ft (32.3 m) long and 31 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesLenni Road
CrossesChester Creek
Location2MI.SW.OF Pa 452 33D10
RouteState Highway 0
Coordinates39.89389, -75.45027
Functional classUrban Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating82 US tons
Inventory rating49.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length106 ft (32.3 m)
Longest span51 ft (15.5 m)
Deck width31 ft (9.6 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,043 (2024)
Projected traffic5,111 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

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 Lenni Road over Chester Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is Lenni Road over Chester 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 November 2023.

How much traffic does Lenni Road over Chester Creek carry?

About 4,043 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Lenni Road over Chester Creek?

The structure is 106 ft (32.3 m) long with a longest span of 51 ft (15.5 m) and a deck 31 ft wide.

Who owns Lenni Road over Chester Creek?

It is owned by the State Highway Agency.