US Bridges

Bacon Road over First Mine Branch

Fair

Baltimore County, Maryland · 0.3 MI S of Hunter Mill R · Structure no. 200000B-0003010

Built
1990
35 years old
Condition
Fair
inspected May 2023
Type
Truss - Thru
Steel
Length
53 ft
1 main span
Daily traffic
234
2021 count
Owner
County
County Highway Agency

About this bridge

Bacon Road over First Mine Branch is a steel truss - thru carrying Bacon Road over First Mine Branch in Baltimore County, Maryland. It was built in 1990, so it is 35 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 234 vehicles a day, roughly 5% of them trucks, projected to reach 348 by 2041. The structure is 53 ft (16.2 m) long and 16 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBacon Road
CrossesFirst Mine Branch
Location0.3 MI S of Hunter Mill R
RouteCounty Highway 93
Coordinates39.61712, -76.62183
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckSteel plate
Main spans1
Design loadHS 20
Structure length53 ft (16.2 m)
Longest span51 ft (15.5 m)
Deck width16 ft (4.9 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic234 (2021)
Projected traffic348 by 2041
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$422,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Bacon Road over First Mine Branch built?

It was built in 1990, making it 35 years old in 2025.

What condition is Bacon Road over First Mine 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 May 2023.

How much traffic does Bacon Road over First Mine Branch carry?

About 234 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Bacon Road over First Mine Branch?

The structure is 53 ft (16.2 m) long with a longest span of 51 ft (15.5 m) and a deck 16 ft wide.

Who owns Bacon Road over First Mine Branch?

It is owned by the County Highway Agency.