US Bridges

Unnamed Road over Rattle Run

GoodPosted for load

Washington County, Maryland · 500FT N of Mooresville RD · Structure no. 300000W-NR01010

Built
1997
28 years old
Condition
Good
inspected May 2024
Type
Girder and Floorbeam System
Wood or Timber
Length
30 ft
1 main span
Daily traffic
10
2010 count
Owner
State
Other State Agency

About this bridge

Unnamed Road over Rattle Run is a wood or timber girder and floorbeam system carrying Unnamed Road over Rattle Run in Washington County, Maryland. It was built in 1997, so it is 28 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. Its operating status is: posted for load restriction.

It carries about 10 vehicles a day, roughly 5% of them trucks, projected to reach 15 by 2032. The structure is 30 ft (9.1 m) long and 10 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesUnnamed Road
CrossesRattle Run
Location500FT N of Mooresville RD
RouteState Lands Road 0
CountyWashington County
StateMaryland
Coordinates39.69359, -78.02979
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.5 US tons
Inventory rating17.5 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width10 ft (3.2 m)
Roadway width10 ft (2.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2010)
Projected traffic15 by 2032
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther State Agency
Maintained byOther State Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$11,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Unnamed Road over Rattle Run built?

It was built in 1997, making it 28 years old in 2025.

What condition is Unnamed Road over Rattle Run 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 Unnamed Road over Rattle Run carry?

About 10 vehicles per day (2010 count), of which roughly 5% are trucks.

How long is Unnamed Road over Rattle Run?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 10 ft wide.

Who owns Unnamed Road over Rattle Run?

It is owned by the Other State Agency.