US Bridges

Maryland 560 over Nydegger Run

Good

Garrett County, Maryland · 0.36 Mile North of US 50 · Structure no. 100000110029010

Built
1932
93 years old
Condition
Good
inspected July 2023
Type
Tee Beam
Concrete
Length
29 ft
1 main span
Daily traffic
1,930
2009 count
Owner
State
State Highway Agency

About this bridge

Maryland 560 over Nydegger Run is a concrete tee beam carrying Maryland 560 over Nydegger Run in Garrett County, Maryland. It was built in 1932, so it is 93 years old, older 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 1,930 vehicles a day, roughly 8% of them trucks, projected to reach 2,548 by 2026. The structure is 29 ft (8.8 m) long and 31 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesMaryland 560
CrossesNydegger Run
Location0.36 Mile North of US 50
RouteState Highway 560
Coordinates39.29745, -79.34828
Functional classRural Major Collector

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span27 ft (8.2 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,930 (2009)
Projected traffic2,548 by 2026
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$59,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Maryland 560 over Nydegger Run built?

It was built in 1932, making it 93 years old in 2025.

What condition is Maryland 560 over Nydegger Run 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 July 2023.

How much traffic does Maryland 560 over Nydegger Run carry?

About 1,930 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Maryland 560 over Nydegger Run?

The structure is 29 ft (8.8 m) long with a longest span of 27 ft (8.2 m) and a deck 31 ft wide.

Who owns Maryland 560 over Nydegger Run?

It is owned by the State Highway Agency.