US Bridges

I-895 NB over Herring Run

Good

Baltimore city, Maryland · Milepost M13.72 · Structure no. 300000BCY139011

Built
1957
68 years old, rebuilt 2006
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
177 ft
3 main spans
Daily traffic
35,344
2020 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-895 NB over Herring Run is a steel stringer/multi-beam or girder carrying I-895 NB over Herring Run in Baltimore city, Maryland. It was built in 1957 and reconstructed in 2006, so it is 68 years old, older than the Maryland average of 52.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 35,344 vehicles a day, roughly 4% of them trucks, projected to reach 31,638 by 2041. The structure is 177 ft (54 m) long and 61 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-895 NB
CrossesHerring Run
LocationMilepost M13.72
RouteInterstate 895
CountyBaltimore city
StateMaryland
Coordinates39.30689, -76.54286
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length177 ft (54 m)
Longest span58 ft (17.7 m)
Deck width61 ft (18.6 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,344 (2020)
Projected traffic31,638 by 2041
Trucks4%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
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 I-895 NB over Herring Run built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2006.

What condition is I-895 NB over Herring Run in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does I-895 NB over Herring Run carry?

About 35,344 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is I-895 NB over Herring Run?

The structure is 177 ft (54 m) long with a longest span of 58 ft (17.7 m) and a deck 61 ft wide.

Who owns I-895 NB over Herring Run?

It is owned by the State Toll Authority.