US Bridges

NB I83 to EB Npkwy over Jones Falls

Fair

Baltimore city, Maryland · NB I-83 Off Ramp · Structure no. 200000BC3119010

Built
1959
66 years old, rebuilt 1987
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
323 ft
3 main spans
Daily traffic
25,771
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

NB I83 to EB Npkwy over Jones Falls is a steel stringer/multi-beam or girder carrying NB I83 to EB Npkwy over Jones Falls in Baltimore city, Maryland. It was built in 1959 and reconstructed in 1987, so it is 66 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 25,771 vehicles a day, roughly 8% of them trucks, projected to reach 32,052 by 2042. The structure is 323 ft (98.5 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesNB I83 to EB Npkwy
CrossesJones Falls
LocationNB I-83 Off Ramp
RouteInterstate 83
CountyBaltimore city
StateMaryland
Coordinates39.35835, -76.64967
Functional classUrban Principal Arterial - Interstate

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionMay 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 geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating96.5 US tons
Inventory rating58 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length323 ft (98.5 m)
Longest span89 ft (27.1 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,771 (2022)
Projected traffic32,052 by 2042
Trucks8%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$92,000
NavigationNo navigation control on waterway

Frequently asked questions

When was NB I83 to EB Npkwy over Jones Falls built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1987.

What condition is NB I83 to EB Npkwy over Jones 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 May 2024.

How much traffic does NB I83 to EB Npkwy over Jones Falls carry?

About 25,771 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is NB I83 to EB Npkwy over Jones Falls?

The structure is 323 ft (98.5 m) long with a longest span of 89 ft (27.1 m) and a deck 27 ft wide.

Who owns NB I83 to EB Npkwy over Jones Falls?

It is owned by the City or Municipal Highway Agency.