US Bridges

Md 144FA over Monocacy River

Fair

Frederick County, Maryland · 1.04 Mile East of Is 70 · Structure no. 100000100038010

Built
1955
70 years old, rebuilt 1987
Condition
Fair
inspected August 2023
Type
Truss - Deck
Steel Continuous
Length
527 ft
3 main spans
Daily traffic
13,861
2019 count
Owner
State
State Highway Agency

About this bridge

Md 144FA over Monocacy River is a steel continuous truss - deck carrying Md 144FA over Monocacy River in Frederick County, Maryland. It was built in 1955 and reconstructed in 1987, so it is 70 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 5 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 13,861 vehicles a day, roughly 8% of them trucks, projected to reach 14,663 by 2041. The structure is 527 ft (160.6 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMd 144FA
CrossesMonocacy River
Location1.04 Mile East of Is 70
RouteState Highway 144FA
CountyFrederick County
StateMaryland
Coordinates39.39795, -77.36614
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating39 US tons

Structure

Structure typeTruss - Deck
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length527 ft (160.6 m)
Longest span208 ft (63.4 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,861 (2019)
Projected traffic14,663 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Md 144FA over Monocacy River built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1987.

What condition is Md 144FA over Monocacy River 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 August 2023.

How much traffic does Md 144FA over Monocacy River carry?

About 13,861 vehicles per day (2019 count), of which roughly 8% are trucks.

How long is Md 144FA over Monocacy River?

The structure is 527 ft (160.6 m) long with a longest span of 208 ft (63.4 m) and a deck 40 ft wide.

Who owns Md 144FA over Monocacy River?

It is owned by the State Highway Agency.