US Bridges

Southern Connector over Tributary to St. John CR

Good

Calvert County, Maryland · 0.5 MI West of Md 760 · Structure no. 200000C-0020010

Built
2008
17 years old
Condition
Good
inspected March 2024
Type
Arch - Deck
Concrete
Length
24 ft
1 main span
Daily traffic
7,626
2022 count
Owner
County
County Highway Agency

About this bridge

Southern Connector over Tributary to St. John CR is a concrete arch - deck carrying Southern Connector over Tributary to St. John CR in Calvert County, Maryland. It was built in 2008, so it is 17 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 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 7,626 vehicles a day, roughly 5% of them trucks, projected to reach 9,400 by 2042. The structure is 24 ft (7.3 m) long and 42 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSouthern Connector
CrossesTributary to St. John CR
Location0.5 MI West of Md 760
RouteCounty Highway 1788
Coordinates38.35846, -76.44218
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum 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 rating74 US tons
Inventory rating43.5 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width42 ft (12.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,626 (2022)
Projected traffic9,400 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Southern Connector over Tributary to St. John CR built?

It was built in 2008, making it 17 years old in 2025.

What condition is Southern Connector over Tributary to St. John CR 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 March 2024.

How much traffic does Southern Connector over Tributary to St. John CR carry?

About 7,626 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Southern Connector over Tributary to St. John CR?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 42 ft wide.

Who owns Southern Connector over Tributary to St. John CR?

It is owned by the County Highway Agency.