US Bridges

Md 234 over Mirant Power Company

Fair

Charles County, Maryland · 0.19 Mile East of US 301 · Structure no. 100000080044010

Built
1967
58 years old
Condition
Fair
inspected December 2023
Type
Slab
Concrete Continuous
Length
152 ft
5 main spans
Daily traffic
6,741
2009 count
Owner
State
State Highway Agency

About this bridge

Md 234 over Mirant Power Company is a concrete continuous slab carrying Md 234 over Mirant Power Company in Charles County, Maryland. It was built in 1967, so it is 58 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 6,741 vehicles a day, roughly 8% of them trucks, projected to reach 8,418 by 2026. The structure is 152 ft (46.3 m) long and 50 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

Location

No coordinates are recorded for this structure.

CarriesMd 234
CrossesMirant Power Company
Location0.19 Mile East of US 301
RouteState Highway 234
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating69 US tons
Inventory rating41 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length152 ft (46.3 m)
Longest span34 ft (10.4 m)
Deck width50 ft (15.2 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,741 (2009)
Projected traffic8,418 by 2026
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed29.8 mi (48 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Md 234 over Mirant Power Company built?

It was built in 1967, making it 58 years old in 2025.

What condition is Md 234 over Mirant Power Company 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 December 2023.

How much traffic does Md 234 over Mirant Power Company carry?

About 6,741 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 234 over Mirant Power Company?

The structure is 152 ft (46.3 m) long with a longest span of 34 ft (10.4 m) and a deck 50 ft wide.

Who owns Md 234 over Mirant Power Company?

It is owned by the State Highway Agency.