US Bridges

Mahuron Road over Unnamed Stream

Good

Carroll County, Maryland · 75 Ft. S. Old West. Pike · Structure no. 200000CL0356020

Built
2008
17 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
51 ft
Daily traffic
320
2021 count
Owner
County
County Highway Agency

About this bridge

Mahuron Road over Unnamed Stream is a concrete culvert carrying Mahuron Road over Unnamed Stream in Carroll County, Maryland. It was built in 2008, so it is 17 years old, younger than the Maryland average of 52.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 320 vehicles a day, roughly 7% of them trucks, projected to reach 525 by 2041. The structure is 51 ft (15.5 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMahuron Road
CrossesUnnamed Stream
Location75 Ft. S. Old West. Pike
RouteCounty Highway 0
CountyCarroll County
StateMaryland
Coordinates39.55224, -76.95974
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans0
Design loadHS 20
Structure length51 ft (15.5 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic320 (2021)
Projected traffic525 by 2041
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Mahuron Road over Unnamed Stream built?

It was built in 2008, making it 17 years old in 2025.

What condition is Mahuron Road over Unnamed Stream in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does Mahuron Road over Unnamed Stream carry?

About 320 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is Mahuron Road over Unnamed Stream?

The structure is 51 ft (15.5 m) long with a longest span of 12 ft (3.7 m).

Who owns Mahuron Road over Unnamed Stream?

It is owned by the County Highway Agency.