US Bridges

Grubbs Mill Road over Crum Creek

Fair

Chester County, Pennsylvania · Nr Radnor Hunt Club 34C4 · Structure no. 000000000010305

Built
1921
104 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Concrete
Length
42 ft
1 main span
Daily traffic
1,797
2024 count
Owner
State
State Highway Agency

About this bridge

Grubbs Mill Road over Crum Creek is a concrete tee beam carrying Grubbs Mill Road over Crum Creek in Chester County, Pennsylvania. It was built in 1921, so it is 104 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 1,797 vehicles a day, roughly 9% of them trucks, projected to reach 1,752 by 2032. The structure is 42 ft (12.8 m) long and 18 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesGrubbs Mill Road
CrossesCrum Creek
LocationNr Radnor Hunt Club 34C4
RouteState Highway 0
CountyChester County
StatePennsylvania
Coordinates39.99879, -75.46035
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
Deck7 GoodSome minor problems.
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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating61.9 US tons
Inventory rating31 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length42 ft (12.8 m)
Longest span41 ft (12.5 m)
Deck width18 ft (5.5 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,797 (2024)
Projected traffic1,752 by 2032
Trucks9%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$299,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Grubbs Mill Road over Crum Creek built?

It was built in 1921, making it 104 years old in 2025.

What condition is Grubbs Mill Road over Crum 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 March 2023.

How much traffic does Grubbs Mill Road over Crum Creek carry?

About 1,797 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is Grubbs Mill Road over Crum Creek?

The structure is 42 ft (12.8 m) long with a longest span of 41 ft (12.5 m) and a deck 18 ft wide.

Who owns Grubbs Mill Road over Crum Creek?

It is owned by the State Highway Agency.