US Bridges

Sumantown Road over Catoctin Creek

FairPosted for load

Frederick County, Maryland · 1.5 MI W Old Middletown R · Structure no. 200000F-2204010

Built
1900
125 years old, rebuilt 1999
Condition
Fair
inspected September 2024
Type
Truss - Thru
Steel
Length
101 ft
1 main span
Daily traffic
124
2020 count
Owner
County
County Highway Agency

About this bridge

Sumantown Road over Catoctin Creek is a steel truss - thru carrying Sumantown Road over Catoctin Creek in Frederick County, Maryland. It was built in 1900 and reconstructed in 1999, so it is 125 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. Its operating status is: posted for load restriction.

It carries about 124 vehicles a day, roughly 5% of them trucks, projected to reach 193 by 2042. The structure is 101 ft (30.8 m) long and 15 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesSumantown Road
CrossesCatoctin Creek
Location1.5 MI W Old Middletown R
RouteCounty Highway 218
CountyFrederick County
StateMaryland
Coordinates39.39528, -77.56244
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating18 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length101 ft (30.8 m)
Longest span101 ft (30.8 m)
Deck width15 ft (4.7 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deck13 ft (4 m)

Traffic and service

Average daily traffic124 (2020)
Projected traffic193 by 2042
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sumantown Road over Catoctin Creek built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1999.

What condition is Sumantown Road over 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 September 2024.

How much traffic does Sumantown Road over Catoctin Creek carry?

About 124 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Sumantown Road over Catoctin Creek?

The structure is 101 ft (30.8 m) long with a longest span of 101 ft (30.8 m) and a deck 15 ft wide.

Who owns Sumantown Road over Catoctin Creek?

It is owned by the County Highway Agency.