US Bridges

Md 75 over Bennett Creek

Fair

Frederick County, Maryland · 1.62 Miles N of Md 355 · Structure no. 100000100047010

Built
1974
51 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
74 ft
1 main span
Daily traffic
7,952
2009 count
Owner
State
State Highway Agency

About this bridge

Md 75 over Bennett Creek is a steel stringer/multi-beam or girder carrying Md 75 over Bennett Creek in Frederick County, Maryland. It was built in 1974, so it is 51 years old, younger 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 7,952 vehicles a day, roughly 8% of them trucks, projected to reach 9,653 by 2026. The structure is 74 ft (22.6 m) long and 40 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesMd 75
CrossesBennett Creek
Location1.62 Miles N of Md 355
RouteState Highway 75
Coordinates39.30897, -77.29855
Functional classRural Major 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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 alignment8: Equal to present desirable criteria
Operating rating98.4 US tons
Inventory rating59 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length74 ft (22.6 m)
Longest span70 ft (21.3 m)
Deck width40 ft (12.3 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,952 (2009)
Projected traffic9,653 by 2026
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Md 75 over Bennett Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is Md 75 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 April 2023.

How much traffic does Md 75 over Bennett Creek carry?

About 7,952 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 75 over Bennett Creek?

The structure is 74 ft (22.6 m) long with a longest span of 70 ft (21.3 m) and a deck 40 ft wide.

Who owns Md 75 over Bennett Creek?

It is owned by the State Highway Agency.