US Bridges

Arnoldtown Road over Trib. of Broad Run

Good

Frederick County, Maryland · 0.4 MI W of Picnic Woods · Structure no. 200000F-2217030

Built
1984
41 years old
Condition
Good
inspected April 2024
Type
Culvert
Steel
Length
22 ft
Daily traffic
407
2024 count
Owner
County
County Highway Agency

About this bridge

Arnoldtown Road over Trib. of Broad Run is a steel culvert carrying Arnoldtown Road over Trib. of Broad Run in Frederick County, Maryland. It was built in 1984, so it is 41 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 407 vehicles a day, roughly 10% of them trucks, projected to reach 475 by 2044. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesArnoldtown Road
CrossesTrib. of Broad Run
Location0.4 MI W of Picnic Woods
RouteCounty Highway 266
Coordinates39.40956, -77.61169
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating63.9 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans0
Design loadH 20
Structure length22 ft (6.7 m)
Longest span0 ft (0 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic407 (2024)
Projected traffic475 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Trib. of Broad Run built?

It was built in 1984, making it 41 years old in 2025.

What condition is Arnoldtown Road over Trib. of Broad 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 April 2024.

How much traffic does Arnoldtown Road over Trib. of Broad Run carry?

About 407 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Arnoldtown Road over Trib. of Broad Run?

The structure is 22 ft (6.7 m) long.

Who owns Arnoldtown Road over Trib. of Broad Run?

It is owned by the County Highway Agency.