US Bridges

Md 6 over Br of Port Tobacco Creek

Good

Charles County, Maryland · 1.9 Miles West of US 301 · Structure no. 100000080008020

Built
1955
70 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
23 ft
Daily traffic
9,552
2009 count
Owner
State
State Highway Agency

About this bridge

Md 6 over Br of Port Tobacco Creek is a concrete culvert carrying Md 6 over Br of Port Tobacco Creek in Charles County, Maryland. It was built in 1955, so it is 70 years old, older 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 9,552 vehicles a day, roughly 8% of them trucks, projected to reach 10,794 by 2026. The structure is 23 ft (7 m) long. If it were closed, the detour would be 11.8 mi (19 km).

CarriesMd 6
CrossesBr of Port Tobacco Creek
Location1.9 Miles West of US 301
RouteState Highway 6
Coordinates38.52069, -77.01396
Functional classRural Major 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating34.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans0
Design loadHS 20
Structure length23 ft (7 m)
Longest span23 ft (7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,552 (2009)
Projected traffic10,794 by 2026
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Md 6 over Br of Port Tobacco Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is Md 6 over Br of Port Tobacco Creek 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 June 2023.

How much traffic does Md 6 over Br of Port Tobacco Creek carry?

About 9,552 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 6 over Br of Port Tobacco Creek?

The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m).

Who owns Md 6 over Br of Port Tobacco Creek?

It is owned by the State Highway Agency.