US Bridges

Md 17 over Middle Creek

Fair

Frederick County, Maryland · 1.64 Miles N0RTH of US 40 · Structure no. 100000100070010

Built
1889
136 years old, rebuilt 1971
Condition
Fair
inspected May 2024
Type
Slab
Concrete
Length
67 ft
3 main spans
Daily traffic
1,951
2009 count
Owner
State
State Highway Agency

About this bridge

Md 17 over Middle Creek is a concrete slab carrying Md 17 over Middle Creek in Frederick County, Maryland. It was built in 1889 and reconstructed in 1971, so it is 136 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 6 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 1,951 vehicles a day, roughly 8% of them trucks, projected to reach 3,332 by 2026. The structure is 67 ft (20.4 m) long and 36 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesMd 17
CrossesMiddle Creek
Location1.64 Miles N0RTH of US 40
RouteState Highway 17
CountyFrederick County
StateMaryland
Coordinates39.52694, -77.54331
Functional classRural Major 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating67.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length67 ft (20.4 m)
Longest span22 ft (6.7 m)
Deck width36 ft (10.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,951 (2009)
Projected traffic3,332 by 2026
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Md 17 over Middle Creek built?

It was built in 1889, making it 136 years old in 2025. It was reconstructed in 1971.

What condition is Md 17 over Middle 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 May 2024.

How much traffic does Md 17 over Middle Creek carry?

About 1,951 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 17 over Middle Creek?

The structure is 67 ft (20.4 m) long with a longest span of 22 ft (6.7 m) and a deck 36 ft wide.

Who owns Md 17 over Middle Creek?

It is owned by the State Highway Agency.