US Bridges

Md 7B over Mill Creek

Good

Cecil County, Maryland · 0.13 Mile South of Md 327 · Structure no. 100000070006030

Built
2006
19 years old
Condition
Good
inspected July 2023
Type
Slab
Concrete
Length
65 ft
1 main span
Daily traffic
1,700
2009 count
Owner
State
State Highway Agency

About this bridge

Md 7B over Mill Creek is a concrete slab carrying Md 7B over Mill Creek in Cecil County, Maryland. It was built in 2006, so it is 19 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 1,700 vehicles a day, roughly 3% of them trucks, projected to reach 1,920 by 2029. The structure is 65 ft (19.8 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMd 7B
CrossesMill Creek
Location0.13 Mile South of Md 327
RouteState Highway 7B
Coordinates39.56197, -76.06719
Functional classUrban 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 within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating60.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length65 ft (19.8 m)
Longest span55 ft (16.8 m)
Deck width40 ft (12.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2009)
Projected traffic1,920 by 2029
Trucks3%
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

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 Mill Creek built?

It was built in 2006, making it 19 years old in 2025.

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

About 1,700 vehicles per day (2009 count), of which roughly 3% are trucks.

How long is Md 7B over Mill Creek?

The structure is 65 ft (19.8 m) long with a longest span of 55 ft (16.8 m) and a deck 40 ft wide.

Who owns Md 7B over Mill Creek?

It is owned by the State Highway Agency.