US Bridges

Mason Road over Pea Vine Run

Good

Allegany County, Maryland · 0.06 MI N of Zembower RD · Structure no. 200000A-0092010

Built
2004
21 years old
Condition
Good
inspected October 2023
Type
Slab
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
1,275
2019 count
Owner
County
County Highway Agency

About this bridge

Mason Road over Pea Vine Run is a prestressed concrete slab carrying Mason Road over Pea Vine Run in Allegany County, Maryland. It was built in 2004, so it is 21 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 1,275 vehicles a day, roughly 5% of them trucks, projected to reach 1,556 by 2039. The structure is 28 ft (8.5 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesMason Road
CrossesPea Vine Run
Location0.06 MI N of Zembower RD
RouteCounty Highway 454
CountyAllegany County
StateMaryland
Coordinates39.69229, -78.70911
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86 US tons
Inventory rating51.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,275 (2019)
Projected traffic1,556 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Mason Road over Pea Vine Run built?

It was built in 2004, making it 21 years old in 2025.

What condition is Mason Road over Pea Vine Run 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 October 2023.

How much traffic does Mason Road over Pea Vine Run carry?

About 1,275 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Mason Road over Pea Vine Run?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m) and a deck 26 ft wide.

Who owns Mason Road over Pea Vine Run?

It is owned by the County Highway Agency.