US Bridges

Big Run Road over Big Run

Fair

Garrett County, Maryland · 0.16 MI NW Savage River R · Structure no. 200000G-0042010

Built
1935
90 years old, rebuilt 2000
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
29 ft
1 main span
Daily traffic
55
2019 count
Owner
County
County Highway Agency

About this bridge

Big Run Road over Big Run is a steel stringer/multi-beam or girder carrying Big Run Road over Big Run in Garrett County, Maryland. It was built in 1935 and reconstructed in 2000, so it is 90 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.

It carries about 55 vehicles a day, roughly 5% of them trucks, projected to reach 70 by 2039. The structure is 29 ft (8.7 m) long and 18 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesBig Run Road
CrossesBig Run
Location0.16 MI NW Savage River R
RouteCounty Highway 231
CountyGarrett County
StateMaryland
Coordinates39.54978, -79.14494
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating86 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length29 ft (8.7 m)
Longest span26 ft (7.9 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55 (2019)
Projected traffic70 by 2039
Trucks5%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$31,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Big Run Road over Big Run built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 2000.

What condition is Big Run Road over Big 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 November 2023.

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

About 55 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Big Run Road over Big Run?

The structure is 29 ft (8.7 m) long with a longest span of 26 ft (7.9 m) and a deck 18 ft wide.

Who owns Big Run Road over Big Run?

It is owned by the County Highway Agency.