US Bridges

Maintenance Road over Blue Blazes Creek

Fair

Frederick County, Maryland · US-15N West on MC-77 to · Structure no. 3220001P0000000

Built
1960
65 years old
Condition
Fair
inspected January 2024
Type
Culvert
Steel
Length
20 ft
2 main spans
Daily traffic
50
2019 count
Owner
Federal
National Park Service

About this bridge

Maintenance Road over Blue Blazes Creek is a steel culvert carrying Maintenance Road over Blue Blazes Creek in Frederick County, Maryland. It was built in 1960, so it is 65 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 50 vehicles a day, projected to reach 60 by 2039. The structure is 20 ft (6.2 m) long and 38 ft wide.

Location

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CarriesMaintenance Road
CrossesBlue Blazes Creek
LocationUS-15N West on MC-77 to
RouteFederal Lands Road 0
CountyFrederick County
StateMaryland
Coordinates39.63563, -77.45046
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29 US tons
Inventory rating17 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length20 ft (6.2 m)
Longest span10 ft (3 m)
Deck width38 ft (11.6 m)
Roadway width12 ft (3.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2019)
Projected traffic60 by 2039
Trucks—
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerNational Park Service
Maintained byNational Park Service
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 Maintenance Road over Blue Blazes Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Maintenance Road over Blue Blazes Creek 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 January 2024.

How much traffic does Maintenance Road over Blue Blazes Creek carry?

About 50 vehicles per day (2019 count).

How long is Maintenance Road over Blue Blazes Creek?

The structure is 20 ft (6.2 m) long with a longest span of 10 ft (3 m) and a deck 38 ft wide.

Who owns Maintenance Road over Blue Blazes Creek?

It is owned by the National Park Service.