US Bridges

Truman Manor Lane over Swanson Creek

Fair

Charles County, Maryland · 1 MI E Gallant Green RD · Structure no. 200000CH0023030

Built
1992
33 years old
Condition
Fair
inspected August 2023
Type
Culvert
Steel
Length
37 ft
Daily traffic
1,221
2023 count
Owner
County
County Highway Agency

About this bridge

Truman Manor Lane over Swanson Creek is a steel culvert carrying Truman Manor Lane over Swanson Creek in Charles County, Maryland. It was built in 1992, so it is 33 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 1,221 vehicles a day, roughly 5% of them trucks, projected to reach 1,222 by 2043. The structure is 37 ft (11.3 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesTruman Manor Lane
CrossesSwanson Creek
Location1 MI E Gallant Green RD
RouteCounty Highway 1474
CountyCharles County
StateMaryland
Coordinates38.56583, -76.76944
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 adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating61 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans0
Design loadUnknown
Structure length37 ft (11.3 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 traffic1,221 (2023)
Projected traffic1,222 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Truman Manor Lane over Swanson Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is Truman Manor Lane over Swanson Creek 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 Truman Manor Lane over Swanson Creek carry?

About 1,221 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Truman Manor Lane over Swanson Creek?

The structure is 37 ft (11.3 m) long with a longest span of 9 ft (2.7 m).

Who owns Truman Manor Lane over Swanson Creek?

It is owned by the County Highway Agency.