US Bridges

River Road over Casselman River

Poor

Garrett County, Maryland · 0.41 MI N of Alt US 40 · Structure no. 200000G-0109010

Built
1885
140 years old, rebuilt 2015
Condition
Poor
inspected September 2023
Type
Truss - Thru
Steel
Length
86 ft
1 main span
Daily traffic
130
2021 count
Owner
County
County Highway Agency

About this bridge

River Road over Casselman River is a steel truss - thru carrying River Road over Casselman River in Garrett County, Maryland. It was built in 1885 and reconstructed in 2015, so it is 140 years old, older 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.

It carries about 130 vehicles a day, roughly 5% of them trucks, projected to reach 160 by 2041. The structure is 86 ft (26.2 m) long and 14 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesRiver Road
CrossesCasselman River
Location0.41 MI N of Alt US 40
RouteCounty Highway 194
CountyGarrett County
StateMaryland
Coordinates39.70191, -79.13642
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating36.8 US tons
Inventory rating31.7 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length86 ft (26.2 m)
Longest span83 ft (25.3 m)
Deck width14 ft (4.3 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2021)
Projected traffic160 by 2041
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was River Road over Casselman River built?

It was built in 1885, making it 140 years old in 2025. It was reconstructed in 2015.

What condition is River Road over Casselman River 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 September 2023.

How much traffic does River Road over Casselman River carry?

About 130 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is River Road over Casselman River?

The structure is 86 ft (26.2 m) long with a longest span of 83 ft (25.3 m) and a deck 14 ft wide.

Who owns River Road over Casselman River?

It is owned by the County Highway Agency.