US Bridges

Md 180 Westbound over US 15

Fair

Frederick County, Maryland · 0.49 Mile East of Is 70 · Structure no. 100000100149014

Built
1968
57 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
269 ft
3 main spans
Daily traffic
27,750
2015 count
Owner
State
State Highway Agency

About this bridge

Md 180 Westbound over US 15 is a steel continuous stringer/multi-beam or girder carrying Md 180 Westbound over US 15 in Frederick County, Maryland. It was built in 1968, so it is 57 years old, older 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 5 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 27,750 vehicles a day, roughly 4% of them trucks, projected to reach 410,110 by 2030. The structure is 269 ft (82 m) long and 36 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesMd 180 Westbound
CrossesUS 15
Location0.49 Mile East of Is 70
RouteState Highway 180
CountyFrederick County
StateMaryland
Coordinates39.40198, -77.43784
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84 US tons
Inventory rating50 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length269 ft (82 m)
Longest span92 ft (28 m)
Deck width36 ft (11 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,750 (2015)
Projected traffic410,110 by 2030
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

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 180 Westbound over US 15 built?

It was built in 1968, making it 57 years old in 2025.

What condition is Md 180 Westbound over US 15 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 180 Westbound over US 15 carry?

About 27,750 vehicles per day (2015 count), of which roughly 4% are trucks.

How long is Md 180 Westbound over US 15?

The structure is 269 ft (82 m) long with a longest span of 92 ft (28 m) and a deck 36 ft wide.

Who owns Md 180 Westbound over US 15?

It is owned by the State Highway Agency.