US Bridges

Jericho Road over Little Gunpowder Falls

FairPosted for load

Baltimore County, Maryland · 0.2 MI S Jerusalem Road · Structure no. 200000B-0004010

Built
1865
160 years old, rebuilt 2015
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
93 ft
1 main span
Daily traffic
548
2024 count
Owner
County
County Highway Agency

About this bridge

Jericho Road over Little Gunpowder Falls is a steel stringer/multi-beam or girder carrying Jericho Road over Little Gunpowder Falls in Baltimore County, Maryland. It was built in 1865 and reconstructed in 2015, so it is 160 years old, older 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 548 vehicles a day, roughly 5% of them trucks, projected to reach 646 by 2044. The structure is 93 ft (28.3 m) long and 14 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesJericho Road
CrossesLittle Gunpowder Falls
Location0.2 MI S Jerusalem Road
RouteCounty Highway 6374
CountyBaltimore County
StateMaryland
Coordinates39.4597, -76.38746
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating29 US tons
Inventory rating17.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadH 10
Structure length93 ft (28.3 m)
Longest span86 ft (26.2 m)
Deck width14 ft (4.3 m)
Roadway width13 ft (4 m)
Vertical clearance over deck12 ft (3.7 m)

Traffic and service

Average daily traffic548 (2024)
Projected traffic646 by 2044
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 statusEligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$222,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Jericho Road over Little Gunpowder Falls built?

It was built in 1865, making it 160 years old in 2025. It was reconstructed in 2015.

What condition is Jericho Road over Little Gunpowder Falls 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 April 2024.

How much traffic does Jericho Road over Little Gunpowder Falls carry?

About 548 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Jericho Road over Little Gunpowder Falls?

The structure is 93 ft (28.3 m) long with a longest span of 86 ft (26.2 m) and a deck 14 ft wide.

Who owns Jericho Road over Little Gunpowder Falls?

It is owned by the County Highway Agency.