US Bridges

Mill Run Road over Mill Run

PoorPosted for load

Garrett County, Maryland · 1.2 M NE Frndsvlleaddison · Structure no. 200000G-0082010

Built
1984
41 years old
Condition
Poor
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
45 ft
1 main span
Daily traffic
27
2020 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 1984, so it is 41 years old, younger than the Maryland average of 52.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 27 vehicles a day, roughly 5% of them trucks, projected to reach 30 by 2040. The structure is 45 ft (13.8 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMill Run Road
CrossesMill Run
Location1.2 M NE Frndsvlleaddison
RouteCounty Highway 30
CountyGarrett County
StateMaryland
Coordinates39.71352, -79.34638
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating41 US tons
Inventory rating24.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length45 ft (13.8 m)
Longest span43 ft (13.1 m)
Deck width20 ft (6 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27 (2020)
Projected traffic30 by 2040
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$49,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mill Run Road over Mill Run built?

It was built in 1984, making it 41 years old in 2025.

What condition is Mill Run Road over Mill Run in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

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

About 27 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Mill Run Road over Mill Run?

The structure is 45 ft (13.8 m) long with a longest span of 43 ft (13.1 m) and a deck 20 ft wide.

Who owns Mill Run Road over Mill Run?

It is owned by the County Highway Agency.