US Bridges

I-95 over Gunpowder Falls

Fair

Baltimore County, Maryland · 3.5 MI N of Md 43 · Structure no. 300000B-X699020

Built
1963
62 years old, rebuilt 1971
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
38 ft
Daily traffic
172,113
2019 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-95 over Gunpowder Falls is a concrete culvert carrying I-95 over Gunpowder Falls in Baltimore County, Maryland. It was built in 1963 and reconstructed in 1971, so it is 62 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.

It carries about 172,113 vehicles a day, roughly 12% of them trucks, projected to reach 228,677 by 2041. The structure is 38 ft (11.7 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesI-95
CrossesGunpowder Falls
Location3.5 MI N of Md 43
RouteInterstate 95
CountyBaltimore County
StateMaryland
Coordinates39.40999, -76.41376
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans0
Design loadHS 20
Structure length38 ft (11.7 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic172,113 (2019)
Projected traffic228,677 by 2041
Trucks12%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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-95 over Gunpowder Falls built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1971.

What condition is I-95 over 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 October 2023.

How much traffic does I-95 over Gunpowder Falls carry?

About 172,113 vehicles per day (2019 count), of which roughly 12% are trucks.

How long is I-95 over Gunpowder Falls?

The structure is 38 ft (11.7 m) long with a longest span of 15 ft (4.6 m).

Who owns I-95 over Gunpowder Falls?

It is owned by the State Toll Authority.