US Bridges

Md 97 NB over Md 200 (icc)

Good

Montgomery County, Maryland · 0.59 MI North of Md 28 · Structure no. 300000M-V082011

Built
2010
15 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
256 ft
2 main spans
Daily traffic
23,218
2019 count
Owner
Toll Authority
State Toll Authority

About this bridge

Md 97 NB over Md 200 (icc) is a steel continuous stringer/multi-beam or girder carrying Md 97 NB 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 23,218 vehicles a day, roughly 2% of them trucks, projected to reach 28,900 by 2041. The structure is 256 ft (78 m) long and 76 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMd 97 NB
CrossesMd 200 (icc)
Location0.59 MI North of Md 28
RouteState Highway 97
CountyMontgomery County
StateMaryland
Coordinates39.1179, -77.07464
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93 US tons
Inventory rating55.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length256 ft (78 m)
Longest span128 ft (39 m)
Deck width76 ft (23.3 m)
Roadway width67 ft (20.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,218 (2019)
Projected traffic28,900 by 2041
Trucks2%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 Md 97 NB over Md 200 (icc) built?

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

What condition is Md 97 NB 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 October 2023.

How much traffic does Md 97 NB over Md 200 (icc) carry?

About 23,218 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is Md 97 NB over Md 200 (icc)?

The structure is 256 ft (78 m) long with a longest span of 128 ft (39 m) and a deck 76 ft wide.

Who owns Md 97 NB over Md 200 (icc)?

It is owned by the State Toll Authority.