US Bridges

Grove Mill Rd. over So Branch of Muddy Creek

Fair

York County, Pennsylvania · @ Grove Mill/S Br Muddy · Structure no. 000000000038119

Built
1925
100 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Concrete
Length
51 ft
1 main span
Daily traffic
30
2024 count
Owner
County
County Highway Agency

About this bridge

Grove Mill Rd. over So Branch of Muddy Creek is a concrete tee beam carrying Grove Mill Rd. over So Branch of Muddy Creek in York County, Pennsylvania. It was built in 1925, so it is 100 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 30 vehicles a day, roughly 2% of them trucks, projected to reach 253 by 2030. The structure is 51 ft (15.5 m) long and 23 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesGrove Mill Rd.
CrossesSo Branch of Muddy Creek
Location@ Grove Mill/S Br Muddy
RouteCity Street 0
CountyYork County
StatePennsylvania
Coordinates39.76624, -76.51682
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating73 US tons
Inventory rating44 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length51 ft (15.5 m)
Longest span47 ft (14.3 m)
Deck width23 ft (6.9 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2024)
Projected traffic253 by 2030
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$174,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Grove Mill Rd. over So Branch of Muddy Creek built?

It was built in 1925, making it 100 years old in 2025.

What condition is Grove Mill Rd. over So Branch of Muddy 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 June 2023.

How much traffic does Grove Mill Rd. over So Branch of Muddy Creek carry?

About 30 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Grove Mill Rd. over So Branch of Muddy Creek?

The structure is 51 ft (15.5 m) long with a longest span of 47 ft (14.3 m) and a deck 23 ft wide.

Who owns Grove Mill Rd. over So Branch of Muddy Creek?

It is owned by the County Highway Agency.