US Bridges

Md 75 over Fahrney Branch

Fair

Frederick County, Maryland · 0.43 Mile South of Md 80 · Structure no. 100000100045010

Built
1933
92 years old
Condition
Fair
inspected April 2023
Type
Tee Beam
Concrete
Length
37 ft
1 main span
Daily traffic
7,952
2009 count
Owner
State
State Highway Agency

About this bridge

Md 75 over Fahrney Branch is a concrete tee beam carrying Md 75 over Fahrney Branch in Frederick County, Maryland. It was built in 1933, so it is 92 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 7,952 vehicles a day, roughly 8% of them trucks, projected to reach 9,653 by 2026. The structure is 37 ft (11.3 m) long and 34 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesMd 75
CrossesFahrney Branch
Location0.43 Mile South of Md 80
RouteState Highway 75
CountyFrederick County
StateMaryland
Coordinates39.33961, -77.27019
Functional classUrban Minor Arterial

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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.5 US tons
Inventory rating38 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length37 ft (11.3 m)
Longest span34 ft (10.4 m)
Deck width34 ft (10.3 m)
Roadway width30 ft (9.1 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$85,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Md 75 over Fahrney Branch built?

It was built in 1933, making it 92 years old in 2025.

What condition is Md 75 over Fahrney Branch 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 Fahrney Branch carry?

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

How long is Md 75 over Fahrney Branch?

The structure is 37 ft (11.3 m) long with a longest span of 34 ft (10.4 m) and a deck 34 ft wide.

Who owns Md 75 over Fahrney Branch?

It is owned by the State Highway Agency.