US Bridges

Kernan Drive over Dead Run

Fair

Baltimore County, Maryland · 50 Ft E Security Blvd · Structure no. 200000B-0063010

Built
1948
77 years old, rebuilt 1978
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
44 ft
1 main span
Daily traffic
10,532
2024 count
Owner
County
County Highway Agency

About this bridge

Kernan Drive over Dead Run is a steel stringer/multi-beam or girder carrying Kernan Drive over Dead Run in Baltimore County, Maryland. It was built in 1948 and reconstructed in 1978, so it is 77 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.

It carries about 10,532 vehicles a day, roughly 5% of them trucks, projected to reach 12,850 by 2044. The structure is 44 ft (13.4 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesKernan Drive
CrossesDead Run
Location50 Ft E Security Blvd
RouteCounty Highway 2454
CountyBaltimore County
StateMaryland
Coordinates39.31135, -76.71688
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating71.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span41 ft (12.5 m)
Deck width44 ft (13.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,532 (2024)
Projected traffic12,850 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Kernan Drive over Dead Run built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1978.

What condition is Kernan Drive over Dead 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 June 2024.

How much traffic does Kernan Drive over Dead Run carry?

About 10,532 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Kernan Drive over Dead Run?

The structure is 44 ft (13.4 m) long with a longest span of 41 ft (12.5 m) and a deck 44 ft wide.

Who owns Kernan Drive over Dead Run?

It is owned by the County Highway Agency.