US Bridges

Md 7B over Principio Creek

Good

Cecil County, Maryland · 0.64 Mile South of US 40 · Structure no. 100000070007010

Built
1995
30 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
76 ft
1 main span
Daily traffic
1,700
2009 count
Owner
State
State Highway Agency

About this bridge

Md 7B over Principio Creek is a prestressed concrete stringer/multi-beam or girder carrying Md 7B over Principio Creek in Cecil County, Maryland. It was built in 1995, so it is 30 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 1,700 vehicles a day, roughly 5% of them trucks, projected to reach 2,052 by 2026. The structure is 76 ft (23.2 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesMd 7B
CrossesPrincipio Creek
Location0.64 Mile South of US 40
RouteState Highway 7B
CountyCecil County
StateMaryland
Coordinates39.57802, -76.03183
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
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 evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating42.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+1 approach)
Design loadHS 25 or greater
Structure length76 ft (23.2 m)
Longest span71 ft (21.6 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2009)
Projected traffic2,052 by 2026
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

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 7B over Principio Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is Md 7B over Principio 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 7B over Principio Creek carry?

About 1,700 vehicles per day (2009 count), of which roughly 5% are trucks.

How long is Md 7B over Principio Creek?

The structure is 76 ft (23.2 m) long with a longest span of 71 ft (21.6 m) and a deck 33 ft wide.

Who owns Md 7B over Principio Creek?

It is owned by the State Highway Agency.