US Bridges

Furnace Avenue over Deep Run

FairPosted for load

Anne Arundel County, Maryland · On the Howard CO Line · Structure no. 200000AA5002010

Built
1930
95 years old, rebuilt 1991
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
38 ft
Daily traffic
2,531
2020 count
Owner
County
County Highway Agency

About this bridge

Furnace Avenue over Deep Run is a steel stringer/multi-beam or girder carrying Furnace Avenue over Deep Run in Anne Arundel County, Maryland. It was built in 1930 and reconstructed in 1991, so it is 95 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 5 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 2,531 vehicles a day, roughly 5% of them trucks, projected to reach 3,088 by 2040. The structure is 38 ft (11.6 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFurnace Avenue
CrossesDeep Run
LocationOn the Howard CO Line
RouteCounty Highway 2
Coordinates39.21108, -76.70179
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.4 US tons
Inventory rating33.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans0
Design loadUnknown
Structure length38 ft (11.6 m)
Longest span32 ft (9.8 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,531 (2020)
Projected traffic3,088 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$2,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Furnace Avenue over Deep Run built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1991.

What condition is Furnace Avenue over Deep Run 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 November 2024.

How much traffic does Furnace Avenue over Deep Run carry?

About 2,531 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Furnace Avenue over Deep Run?

The structure is 38 ft (11.6 m) long with a longest span of 32 ft (9.8 m) and a deck 28 ft wide.

Who owns Furnace Avenue over Deep Run?

It is owned by the County Highway Agency.