US Bridges

Md 30 over Shiloh Road

Fair

Carroll County, Maryland · 2.276 M S of Md 482 · Structure no. 100000060069010

Built
2007
18 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
69 ft
1 main span
Daily traffic
9,200
2009 count
Owner
State
State Highway Agency

About this bridge

Md 30 over Shiloh Road is a steel stringer/multi-beam or girder carrying Md 30 over Shiloh Road in Carroll County, Maryland. It was built in 2007, so it is 18 years old, younger than the Maryland average of 52.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 9,200 vehicles a day, roughly 8% of them trucks, projected to reach 21,000 by 2020. The structure is 69 ft (21 m) long and 48 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesMd 30
CrossesShiloh Road
Location2.276 M S of Md 482
RouteState Highway 30
Coordinates39.601, -76.8649
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating62.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length69 ft (21 m)
Longest span66 ft (20.1 m)
Deck width48 ft (14.6 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,200 (2009)
Projected traffic21,000 by 2020
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Md 30 over Shiloh Road built?

It was built in 2007, making it 18 years old in 2025.

What condition is Md 30 over Shiloh Road in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2024.

How much traffic does Md 30 over Shiloh Road carry?

About 9,200 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 30 over Shiloh Road?

The structure is 69 ft (21 m) long with a longest span of 66 ft (20.1 m) and a deck 48 ft wide.

Who owns Md 30 over Shiloh Road?

It is owned by the State Highway Agency.