US Bridges

Thomas Johnson Dri over Two Mile Run

Fair

Frederick County, Maryland · 2000 Ft NE of Opossumtown · Structure no. 200000F-F-33030

Built
1981
44 years old
Condition
Fair
inspected July 2024
Type
Culvert
Steel
Length
21 ft
2 main spans
Daily traffic
10,567
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Thomas Johnson Dri over Two Mile Run is a steel culvert carrying Thomas Johnson Dri over Two Mile Run in Frederick County, Maryland. It was built in 1981, so it is 44 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 10,567 vehicles a day, roughly 4% of them trucks, projected to reach 16,342 by 2046. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesThomas Johnson Dri
CrossesTwo Mile Run
Location2000 Ft NE of Opossumtown
RouteCity Street 1456
CountyFrederick County
StateMaryland
Coordinates39.44434, -77.40749
Functional classUrban Minor Arterial

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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 spans2
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,567 (2024)
Projected traffic16,342 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Thomas Johnson Dri over Two Mile Run built?

It was built in 1981, making it 44 years old in 2025.

What condition is Thomas Johnson Dri over Two Mile 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 July 2024.

How much traffic does Thomas Johnson Dri over Two Mile Run carry?

About 10,567 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Thomas Johnson Dri over Two Mile Run?

The structure is 21 ft (6.4 m) long with a longest span of 9 ft (2.7 m).

Who owns Thomas Johnson Dri over Two Mile Run?

It is owned by the City or Municipal Highway Agency.