US Bridges

Monocacy Boulevard over Carroll Creek

Good

Frederick County, Maryland · 0.1 MI S of E Church ST · Structure no. 200000F-F-44010

Built
2012
13 years old
Condition
Good
inspected February 2024
Type
Arch - Deck
Concrete
Length
264 ft
3 main spans
Daily traffic
16,392
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Monocacy Boulevard over Carroll Creek is a concrete arch - deck carrying Monocacy Boulevard over Carroll Creek in Frederick County, Maryland. It was built in 2012, so it is 13 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 16,392 vehicles a day, roughly 5% of them trucks, projected to reach 24,360 by 2039. The structure is 264 ft (80.5 m) long and 71 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMonocacy Boulevard
CrossesCarroll Creek
Location0.1 MI S of E Church ST
RouteCity Street 998
Coordinates39.4246, -77.38411
Functional classRural Local

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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating62.9 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length264 ft (80.5 m)
Longest span84 ft (25.6 m)
Deck width71 ft (21.7 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,392 (2019)
Projected traffic24,360 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Carroll Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is Monocacy Boulevard over Carroll Creek 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 February 2024.

How much traffic does Monocacy Boulevard over Carroll Creek carry?

About 16,392 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Monocacy Boulevard over Carroll Creek?

The structure is 264 ft (80.5 m) long with a longest span of 84 ft (25.6 m) and a deck 71 ft wide.

Who owns Monocacy Boulevard over Carroll Creek?

It is owned by the City or Municipal Highway Agency.