US Bridges

Dubois Road over Trinity Church Run

Fair

Charles County, Maryland · 2 MI S Md RTE 6 · Structure no. 200000CH0017030

Built
1970
55 years old, rebuilt 2000
Condition
Fair
inspected August 2023
Type
Culvert
Steel
Length
21 ft
Daily traffic
1,403
2023 count
Owner
County
County Highway Agency

About this bridge

Dubois Road over Trinity Church Run is a steel culvert carrying Dubois Road over Trinity Church Run in Charles County, Maryland. It was built in 1970 and reconstructed in 2000, so it is 55 years old, older 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 1,403 vehicles a day, roughly 5% of them trucks, projected to reach 2,118 by 2043. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesDubois Road
CrossesTrinity Church Run
Location2 MI S Md RTE 6
RouteCounty Highway 122
CountyCharles County
StateMaryland
Coordinates39.56706, -76.81514
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans0
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span5 ft (1.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,403 (2023)
Projected traffic2,118 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Dubois Road over Trinity Church Run built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2000.

What condition is Dubois Road over Trinity Church 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 Dubois Road over Trinity Church Run carry?

About 1,403 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Dubois Road over Trinity Church Run?

The structure is 21 ft (6.4 m) long with a longest span of 5 ft (1.5 m).

Who owns Dubois Road over Trinity Church Run?

It is owned by the County Highway Agency.