US Bridges

Olde Mill Run Road over MD200 (icc)

Good

Montgomery County, Maryland · 0.7 MI E of Redland RD · Structure no. 300000M-V046010

Built
2010
15 years old
Condition
Good
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
138 ft
2 main spans
Daily traffic
1,073
2019 count
Owner
Toll Authority
State Toll Authority

About this bridge

Olde Mill Run Road over MD200 (icc) is a prestressed concrete continuous box beam or girders - multiple carrying Olde Mill Run Road over MD200 (icc) in Montgomery County, Maryland. It was built in 2010, so it is 15 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 1,073 vehicles a day, roughly 7% of them trucks, projected to reach 1,335 by 2041. The structure is 138 ft (42.1 m) long and 612 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesOlde Mill Run Road
CrossesMD200 (icc)
Location0.7 MI E of Redland RD
RouteCounty Highway 200
CountyMontgomery County
StateMaryland
Coordinates39.13769, -77.13303
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating79.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length138 ft (42.1 m)
Longest span74 ft (22.6 m)
Deck width612 ft (186.6 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,073 (2019)
Projected traffic1,335 by 2041
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
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 Olde Mill Run Road over MD200 (icc) built?

It was built in 2010, making it 15 years old in 2025.

What condition is Olde Mill Run Road over MD200 (icc) 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 September 2023.

How much traffic does Olde Mill Run Road over MD200 (icc) carry?

About 1,073 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is Olde Mill Run Road over MD200 (icc)?

The structure is 138 ft (42.1 m) long with a longest span of 74 ft (22.6 m) and a deck 612 ft wide.

Who owns Olde Mill Run Road over MD200 (icc)?

It is owned by the State Toll Authority.