US Bridges

Md 180 over Little Catoctin Creek

Fair

Frederick County, Maryland · 1.31 Miles West of Md 79 · Structure no. 100000100081010

Built
1912
113 years old, rebuilt 1932
Condition
Fair
inspected October 2024
Type
Tee Beam
Concrete
Length
25 ft
1 main span
Daily traffic
1,300
2009 count
Owner
State
State Highway Agency

About this bridge

Md 180 over Little Catoctin Creek is a concrete tee beam carrying Md 180 over Little Catoctin Creek in Frederick County, Maryland. It was built in 1912 and reconstructed in 1932, so it is 113 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 1,300 vehicles a day, roughly 8% of them trucks, projected to reach 1,533 by 2026. The structure is 25 ft (7.6 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMd 180
CrossesLittle Catoctin Creek
Location1.31 Miles West of Md 79
RouteState Highway 180
Coordinates39.34127, -77.63417
Functional classRural Local

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.4 US tons
Inventory rating50 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span20 ft (6.1 m)
Deck width31 ft (9.3 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2009)
Projected traffic1,533 by 2026
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$51,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Md 180 over Little Catoctin Creek built?

It was built in 1912, making it 113 years old in 2025. It was reconstructed in 1932.

What condition is Md 180 over Little Catoctin Creek 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 October 2024.

How much traffic does Md 180 over Little Catoctin Creek carry?

About 1,300 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 180 over Little Catoctin Creek?

The structure is 25 ft (7.6 m) long with a longest span of 20 ft (6.1 m) and a deck 31 ft wide.

Who owns Md 180 over Little Catoctin Creek?

It is owned by the State Highway Agency.