US Bridges

Buttermilk Road over Trib / Big Branch

Fair

Harford County, Maryland · 0.6 Miles N of W Heaps RD · Structure no. 200000H-0128030

Built
1978
47 years old
Condition
Fair
inspected July 2023
Type
Culvert
Steel
Length
23 ft
Daily traffic
86
2023 count
Owner
County
County Highway Agency

About this bridge

Buttermilk Road over Trib / Big Branch is a steel culvert carrying Buttermilk Road over Trib / Big Branch in Harford County, Maryland. It was built in 1978, so it is 47 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 5 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 86 vehicles a day, roughly 5% of them trucks, projected to reach 116 by 2043. The structure is 23 ft (6.9 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesButtermilk Road
CrossesTrib / Big Branch
Location0.6 Miles N of W Heaps RD
RouteCounty Highway 27
Coordinates39.7087, -76.48887
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59 US tons
Inventory rating55 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans0
Design loadUnknown
Structure length23 ft (6.9 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic86 (2023)
Projected traffic116 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Buttermilk Road over Trib / Big Branch built?

It was built in 1978, making it 47 years old in 2025.

What condition is Buttermilk Road over Trib / Big Branch 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 July 2023.

How much traffic does Buttermilk Road over Trib / Big Branch carry?

About 86 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Buttermilk Road over Trib / Big Branch?

The structure is 23 ft (6.9 m) long with a longest span of 7 ft (2.1 m).

Who owns Buttermilk Road over Trib / Big Branch?

It is owned by the County Highway Agency.