US Bridges

Marker Road over Middle Creek

Good

Frederick County, Maryland · 0.2 MI N of Bidle Road · Structure no. 200000F-2213030

Built
2008
17 years old
Condition
Good
inspected August 2024
Type
Culvert
Steel
Length
25 ft
Daily traffic
246
2024 count
Owner
County
County Highway Agency

About this bridge

Marker Road over Middle Creek is a steel culvert carrying Marker Road over Middle Creek in Frederick County, Maryland. It was built in 2008, so it is 17 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 246 vehicles a day, roughly 5% of them trucks, projected to reach 350 by 2044. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMarker Road
CrossesMiddle Creek
Location0.2 MI N of Bidle Road
RouteCounty Highway 257
Coordinates39.43739, -77.59627
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans0
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic246 (2024)
Projected traffic350 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Marker Road over Middle Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is Marker Road over Middle 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 August 2024.

How much traffic does Marker Road over Middle Creek carry?

About 246 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Marker Road over Middle Creek?

The structure is 25 ft (7.6 m) long with a longest span of 7 ft (2.1 m).

Who owns Marker Road over Middle Creek?

It is owned by the County Highway Agency.