US Bridges

Muncaster Mill RD over Md 200 (icc)

Good

Montgomery County, Maryland · 2.33 MI W of Md 97 · Structure no. 300000M-V059010

Built
2010
15 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
259 ft
2 main spans
Daily traffic
19,690
2019 count
Owner
Toll Authority
State Toll Authority

About this bridge

Muncaster Mill RD over Md 200 (icc) is a steel continuous stringer/multi-beam or girder carrying Muncaster Mill RD over Md 200 (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 19,690 vehicles a day, roughly 1% of them trucks, projected to reach 38,542 by 2041. The structure is 259 ft (78.9 m) long and 51 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesMuncaster Mill RD
CrossesMd 200 (icc)
Location2.33 MI W of Md 97
RouteState Highway 115
CountyMontgomery County
StateMaryland
Coordinates39.12694, -77.11627
Functional classUrban Minor 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.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating65 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length259 ft (78.9 m)
Longest span130 ft (39.6 m)
Deck width51 ft (15.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,690 (2019)
Projected traffic38,542 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

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 Muncaster Mill RD over Md 200 (icc) built?

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

What condition is Muncaster Mill RD over Md 200 (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 Muncaster Mill RD over Md 200 (icc) carry?

About 19,690 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is Muncaster Mill RD over Md 200 (icc)?

The structure is 259 ft (78.9 m) long with a longest span of 130 ft (39.6 m) and a deck 51 ft wide.

Who owns Muncaster Mill RD over Md 200 (icc)?

It is owned by the State Toll Authority.