US Bridges

Monocacy Boulevard over US 15

Good

Frederick County, Maryland · 1 MI N of Md 26 · Structure no. 100000100197010

Built
2018
7 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
222 ft
2 main spans
Daily traffic
5,800
2010 count
Owner
State
State Highway Agency

About this bridge

Monocacy Boulevard over US 15 is a steel continuous stringer/multi-beam or girder carrying Monocacy Boulevard over US 15 in Frederick County, Maryland. It was built in 2018, so it is 7 years old, younger than the Maryland average of 52.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,800 vehicles a day, roughly 5% of them trucks, projected to reach 24,000 by 2030. The structure is 222 ft (67.7 m) long and 107 ft wide.

Location

No coordinates are recorded for this structure.

CarriesMonocacy Boulevard
CrossesUS 15
Location1 MI N of Md 26
RouteCity Street 0
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.4 US tons
Inventory rating57.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length222 ft (67.7 m)
Longest span105 ft (32 m)
Deck width107 ft (32.7 m)
Roadway width82 ft (25 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,800 (2010)
Projected traffic24,000 by 2030
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Monocacy Boulevard over US 15 built?

It was built in 2018, making it 7 years old in 2025.

What condition is Monocacy Boulevard over US 15 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does Monocacy Boulevard over US 15 carry?

About 5,800 vehicles per day (2010 count), of which roughly 5% are trucks.

How long is Monocacy Boulevard over US 15?

The structure is 222 ft (67.7 m) long with a longest span of 105 ft (32 m) and a deck 107 ft wide.

Who owns Monocacy Boulevard over US 15?

It is owned by the State Highway Agency.