US Bridges

Md 6 over Persimmon Creek

Good

St. Mary's County, Maryland · 2.44 Miles W of Md 235 · Structure no. 100000180013010

Built
2021
4 years old
Condition
Good
inspected July 2023
Type
Slab
Prestressed Concrete
Length
59 ft
1 main span
Daily traffic
4,200
2020 count
Owner
State
State Highway Agency

About this bridge

Md 6 over Persimmon Creek is a prestressed concrete slab carrying Md 6 over Persimmon Creek in St. Mary's County, Maryland. It was built in 2021, so it is 4 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,200 vehicles a day, roughly 8% of them trucks, projected to reach 5,450 by 2040. The structure is 59 ft (18.1 m) long and 37 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesMd 6
CrossesPersimmon Creek
Location2.44 Miles W of Md 235
RouteState Highway 6
CountySt. Mary's County
StateMaryland
Coordinates38.45064, -76.67928
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating97.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length59 ft (18.1 m)
Longest span55 ft (16.8 m)
Deck width37 ft (11.3 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,200 (2020)
Projected traffic5,450 by 2040
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$46,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Md 6 over Persimmon Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is Md 6 over Persimmon 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 July 2023.

How much traffic does Md 6 over Persimmon Creek carry?

About 4,200 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Md 6 over Persimmon Creek?

The structure is 59 ft (18.1 m) long with a longest span of 55 ft (16.8 m) and a deck 37 ft wide.

Who owns Md 6 over Persimmon Creek?

It is owned by the State Highway Agency.