US Bridges

Md 75 over Linganore Creek

Fair

Frederick County, Maryland · 0.73 MI N of Md 75FC · Structure no. 100000100042010

Built
1968
57 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
124 ft
3 main spans
Daily traffic
4,752
2009 count
Owner
State
State Highway Agency

About this bridge

Md 75 over Linganore Creek is a steel continuous stringer/multi-beam or girder carrying Md 75 over Linganore Creek in Frederick County, Maryland. It was built in 1968, so it is 57 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 4,752 vehicles a day, roughly 8% of them trucks, projected to reach 5,652 by 2026. The structure is 124 ft (37.8 m) long and 46 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesMd 75
CrossesLinganore Creek
Location0.73 MI N of Md 75FC
RouteState Highway 75
Coordinates39.44721, -77.24832
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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68 US tons
Inventory rating40.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length124 ft (37.8 m)
Longest span45 ft (13.7 m)
Deck width46 ft (14 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,752 (2009)
Projected traffic5,652 by 2026
Trucks8%
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

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 Linganore Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is Md 75 over Linganore 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 November 2024.

How much traffic does Md 75 over Linganore Creek carry?

About 4,752 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 75 over Linganore Creek?

The structure is 124 ft (37.8 m) long with a longest span of 45 ft (13.7 m) and a deck 46 ft wide.

Who owns Md 75 over Linganore Creek?

It is owned by the State Highway Agency.