US Bridges

Mount Vista Road over Sweathouse Branch

Good

Baltimore County, Maryland · 0.60 MI E of Md 147 · Structure no. 200000B-0225010

Built
2008
17 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
41 ft
1 main span
Daily traffic
2,290
2023 count
Owner
County
County Highway Agency

About this bridge

Mount Vista Road over Sweathouse Branch is a prestressed concrete stringer/multi-beam or girder carrying Mount Vista Road over Sweathouse Branch in Baltimore 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 2,290 vehicles a day, roughly 5% of them trucks, projected to reach 2,965 by 2043. The structure is 41 ft (12.5 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesMount Vista Road
CrossesSweathouse Branch
Location0.60 MI E of Md 147
RouteCounty Highway 3900
CountyBaltimore County
StateMaryland
Coordinates39.45649, -76.44692
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 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
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 rating88 US tons
Inventory rating53 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length41 ft (12.5 m)
Longest span38 ft (11.6 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,290 (2023)
Projected traffic2,965 by 2043
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 Mount Vista Road over Sweathouse Branch built?

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

What condition is Mount Vista Road over Sweathouse Branch 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 Mount Vista Road over Sweathouse Branch carry?

About 2,290 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Mount Vista Road over Sweathouse Branch?

The structure is 41 ft (12.5 m) long with a longest span of 38 ft (11.6 m) and a deck 34 ft wide.

Who owns Mount Vista Road over Sweathouse Branch?

It is owned by the County Highway Agency.