US Bridges

Monocacy Boulevard over Monocacy River

Good

Frederick County, Maryland · 0.4 Miles S of Md 26 · Structure no. 200000F-F-41010

Built
2000
25 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
680 ft
5 main spans
Daily traffic
9,321
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Monocacy Boulevard over Monocacy River is a steel continuous stringer/multi-beam or girder carrying Monocacy Boulevard over Monocacy River in Frederick County, Maryland. It was built in 2000, so it is 25 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 9,321 vehicles a day, roughly 3% of them trucks, projected to reach 14,410 by 2044. The structure is 680 ft (207.4 m) long and 59 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesMonocacy Boulevard
CrossesMonocacy River
Location0.4 Miles S of Md 26
RouteCity Street 996
Coordinates39.44276, -77.38206
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating40 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 25 or greater
Structure length680 ft (207.4 m)
Longest span150 ft (45.7 m)
Deck width59 ft (18 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,321 (2022)
Projected traffic14,410 by 2044
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Monocacy Boulevard over Monocacy River built?

It was built in 2000, making it 25 years old in 2025.

What condition is Monocacy Boulevard over Monocacy River 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 May 2024.

How much traffic does Monocacy Boulevard over Monocacy River carry?

About 9,321 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Monocacy Boulevard over Monocacy River?

The structure is 680 ft (207.4 m) long with a longest span of 150 ft (45.7 m) and a deck 59 ft wide.

Who owns Monocacy Boulevard over Monocacy River?

It is owned by the City or Municipal Highway Agency.