US Bridges

Md 30 over Indian Run

Good

Carroll County, Maryland · 0.645 M S of Md 482 · Structure no. 100000060071010

Built
2007
18 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
75 ft
1 main span
Daily traffic
9,200
2009 count
Owner
State
State Highway Agency

About this bridge

Md 30 over Indian Run is a prestressed concrete stringer/multi-beam or girder carrying Md 30 over Indian Run 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 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 9,200 vehicles a day, roughly 8% of them trucks, projected to reach 21,000 by 2020. The structure is 75 ft (22.9 m) long and 47 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesMd 30
CrossesIndian Run
Location0.645 M S of Md 482
RouteState Highway 30
Coordinates39.60209, -76.8655
Functional classUrban Other Principal Arterial

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 inspectionApril 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.5 US tons
Inventory rating41 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length75 ft (22.9 m)
Longest span72 ft (21.9 m)
Deck width47 ft (14.3 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
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Md 30 over Indian Run built?

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

What condition is Md 30 over Indian Run 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 April 2023.

How much traffic does Md 30 over Indian Run carry?

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

How long is Md 30 over Indian Run?

The structure is 75 ft (22.9 m) long with a longest span of 72 ft (21.9 m) and a deck 47 ft wide.

Who owns Md 30 over Indian Run?

It is owned by the State Highway Agency.