US Bridges

Md 948B over Is 68

Fair

Garrett County, Maryland · 0.31 Mile S of US 40AL · Structure no. 100000110043010

Built
1975
50 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
207 ft
2 main spans
Daily traffic
199
2006 count
Owner
State
State Highway Agency

About this bridge

Md 948B over Is 68 is a steel continuous stringer/multi-beam or girder carrying Md 948B over Is 68 in Garrett County, Maryland. It was built in 1975, so it is 50 years old, younger 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 199 vehicles a day, roughly 5% of them trucks, projected to reach 234 by 2026. The structure is 207 ft (63.1 m) long and 35 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesMd 948B
CrossesIs 68
Location0.31 Mile S of US 40AL
RouteState Highway 948B
CountyGarrett County
StateMaryland
Coordinates39.68351, -79.00146
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating66.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length207 ft (63.1 m)
Longest span101 ft (30.8 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic199 (2006)
Projected traffic234 by 2026
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Md 948B over Is 68 built?

It was built in 1975, making it 50 years old in 2025.

What condition is Md 948B over Is 68 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 April 2023.

How much traffic does Md 948B over Is 68 carry?

About 199 vehicles per day (2006 count), of which roughly 5% are trucks.

How long is Md 948B over Is 68?

The structure is 207 ft (63.1 m) long with a longest span of 101 ft (30.8 m) and a deck 35 ft wide.

Who owns Md 948B over Is 68?

It is owned by the State Highway Agency.