US Bridges

Knowlton Road over Chester Creek Trail

Good

Delaware County, Pennsylvania · 3/4 Mi. E. PA452 3696D10 · Structure no. 000000000057115

Built
2016
9 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
5,633
2024 count
Owner
State
State Highway Agency

About this bridge

Knowlton Road over Chester Creek Trail is a concrete culvert carrying Knowlton Road over Chester Creek Trail in Delaware County, Pennsylvania. It was built in 2016, so it is 9 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,633 vehicles a day, roughly 7% of them trucks, projected to reach 7,148 by 2034. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesKnowlton Road
CrossesChester Creek Trail
Location3/4 Mi. E. PA452 3696D10
RouteState Highway 0
Coordinates39.87781, -75.41656
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.1 US tons
Inventory rating38.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length22 ft (6.7 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,633 (2024)
Projected traffic7,148 by 2034
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesPedestrian / bicycle
Detour if closed1.9 mi (3 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Knowlton Road over Chester Creek Trail built?

It was built in 2016, making it 9 years old in 2025.

What condition is Knowlton Road over Chester Creek Trail in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does Knowlton Road over Chester Creek Trail carry?

About 5,633 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Knowlton Road over Chester Creek Trail?

The structure is 22 ft (6.7 m) long with a longest span of 16 ft (4.9 m).

Who owns Knowlton Road over Chester Creek Trail?

It is owned by the State Highway Agency.