US Bridges

Mill Run Road over Mill Run

FairPosted for load

Garrett County, Maryland · 1.6 M NE Frndsvlleaddison · Structure no. 200000G-0083010

Built
1950
75 years old, rebuilt 1988
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
1 main span
Daily traffic
29
2021 count
Owner
County
County Highway Agency

About this bridge

Mill Run Road over Mill Run is a steel stringer/multi-beam or girder carrying Mill Run Road over Mill Run in Garrett County, Maryland. It was built in 1950 and reconstructed in 1988, so it is 75 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 29 vehicles a day, roughly 5% of them trucks, projected to reach 40 by 2041. The structure is 25 ft (7.5 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesMill Run Road
CrossesMill Run
Location1.6 M NE Frndsvlleaddison
RouteCounty Highway 30
CountyGarrett County
StateMaryland
Coordinates39.71867, -79.34239
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
Deck7 GoodSome minor problems.
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 inspectionOctober 2023
Inspection intervalevery 24 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.5 US tons
Inventory rating36.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length25 ft (7.5 m)
Longest span21 ft (6.4 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29 (2021)
Projected traffic40 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Mill Run Road over Mill Run built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1988.

What condition is Mill Run Road over Mill Run 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 2023.

How much traffic does Mill Run Road over Mill Run carry?

About 29 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Mill Run Road over Mill Run?

The structure is 25 ft (7.5 m) long with a longest span of 21 ft (6.4 m) and a deck 22 ft wide.

Who owns Mill Run Road over Mill Run?

It is owned by the County Highway Agency.