US Bridges

Park Mills Road over Bennett Creek

Fair

Frederick County, Maryland · 2.75 MI South of Md 80 · Structure no. 200000F-0701010

Built
1965
60 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
163 ft
3 main spans
Daily traffic
674
2019 count
Owner
County
County Highway Agency

About this bridge

Park Mills Road over Bennett Creek is a steel continuous stringer/multi-beam or girder carrying Park Mills Road over Bennett Creek in Frederick County, Maryland. It was built in 1965, so it is 60 years old, older than the Maryland average of 52.6 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 674 vehicles a day, roughly 5% of them trucks, projected to reach 1,000 by 2039. The structure is 163 ft (49.7 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesPark Mills Road
CrossesBennett Creek
Location2.75 MI South of Md 80
RouteCounty Highway 332
Coordinates39.29747, -77.40959
Functional classRural Minor 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length163 ft (49.7 m)
Longest span62 ft (18.9 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic674 (2019)
Projected traffic1,000 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Park Mills Road over Bennett Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Park Mills Road over Bennett 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 2024.

How much traffic does Park Mills Road over Bennett Creek carry?

About 674 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Park Mills Road over Bennett Creek?

The structure is 163 ft (49.7 m) long with a longest span of 62 ft (18.9 m) and a deck 34 ft wide.

Who owns Park Mills Road over Bennett Creek?

It is owned by the County Highway Agency.