US Bridges

Arnoldtown Road over Broad Run

Fair

Frederick County, Maryland · 0.2 MI N Picnic Woods RD · Structure no. 200000F-2207010

Built
1982
43 years old, rebuilt 1997
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
42 ft
1 main span
Daily traffic
339
2022 count
Owner
County
County Highway Agency

About this bridge

Arnoldtown Road over Broad Run is a steel stringer/multi-beam or girder carrying Arnoldtown Road over Broad Run in Frederick County, Maryland. It was built in 1982 and reconstructed in 1997, so it is 43 years old, younger 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 6 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 339 vehicles a day, roughly 10% of them trucks, projected to reach 578 by 2052. The structure is 42 ft (12.8 m) long and 21 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesArnoldtown Road
CrossesBroad Run
Location0.2 MI N Picnic Woods RD
RouteCounty Highway 266
CountyFrederick County
StateMaryland
Coordinates39.41002, -77.60631
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65.5 US tons
Inventory rating39 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length42 ft (12.8 m)
Longest span39 ft (11.9 m)
Deck width21 ft (6.4 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic339 (2022)
Projected traffic578 by 2052
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Arnoldtown Road over Broad Run built?

It was built in 1982, making it 43 years old in 2025. It was reconstructed in 1997.

What condition is Arnoldtown Road over Broad Run 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 August 2023.

How much traffic does Arnoldtown Road over Broad Run carry?

About 339 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Arnoldtown Road over Broad Run?

The structure is 42 ft (12.8 m) long with a longest span of 39 ft (11.9 m) and a deck 21 ft wide.

Who owns Arnoldtown Road over Broad Run?

It is owned by the County Highway Agency.