US Bridges

Legore Bridge Road over Monocacy River

Fair

Frederick County, Maryland · 3 MI N of Woodsboro · Structure no. 200000F-0410010

Built
1903
122 years old, rebuilt 2009
Condition
Fair
inspected June 2024
Type
Arch - Deck
Masonry
Length
247 ft
4 main spans
Daily traffic
2,045
2019 count
Owner
County
County Highway Agency

About this bridge

Legore Bridge Road over Monocacy River is a masonry arch - deck carrying Legore Bridge Road over Monocacy River in Frederick County, Maryland. It was built in 1903 and reconstructed in 2009, so it is 122 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 2,045 vehicles a day, roughly 5% of them trucks, projected to reach 3,040 by 2039. The structure is 247 ft (75.3 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesLegore Bridge Road
CrossesMonocacy River
Location3 MI N of Woodsboro
RouteCounty Highway 526
Coordinates39.58107, -77.31375
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.
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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating48 US tons
Inventory rating36 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans4 (+1 approach)
Design loadUnknown
Structure length247 ft (75.3 m)
Longest span63 ft (19.2 m)
Deck width25 ft (7.6 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,045 (2019)
Projected traffic3,040 by 2039
Trucks5%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Legore Bridge Road over Monocacy River built?

It was built in 1903, making it 122 years old in 2025. It was reconstructed in 2009.

What condition is Legore Bridge Road 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 June 2024.

How much traffic does Legore Bridge Road over Monocacy River carry?

About 2,045 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Legore Bridge Road over Monocacy River?

The structure is 247 ft (75.3 m) long with a longest span of 63 ft (19.2 m) and a deck 25 ft wide.

Who owns Legore Bridge Road over Monocacy River?

It is owned by the County Highway Agency.