US Bridges

Coldspring Lane over Stony Run

Fair

Baltimore city, Maryland · 0.4 M W Charles ST · Structure no. 200000BC3210010

Built
1992
33 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
19,796
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

Coldspring Lane over Stony Run is a steel stringer/multi-beam or girder carrying Coldspring Lane over Stony Run in Baltimore city, Maryland. It was built in 1992, so it is 33 years old, younger 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 19,796 vehicles a day, roughly 5% of them trucks, projected to reach 23,444 by 2033. The structure is 31 ft (9.4 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesColdspring Lane
CrossesStony Run
Location0.4 M W Charles ST
RouteCity Street 55
CountyBaltimore city
StateMaryland
Coordinates39.34496, -76.62645
Functional classUrban Other Principal Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span25 ft (7.6 m)
Deck width60 ft (18.3 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,796 (2016)
Projected traffic23,444 by 2033
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 SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$47,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Coldspring Lane over Stony Run built?

It was built in 1992, making it 33 years old in 2025.

What condition is Coldspring Lane over Stony 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 July 2024.

How much traffic does Coldspring Lane over Stony Run carry?

About 19,796 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Coldspring Lane over Stony Run?

The structure is 31 ft (9.4 m) long with a longest span of 25 ft (7.6 m) and a deck 60 ft wide.

Who owns Coldspring Lane over Stony Run?

It is owned by the City or Municipal Highway Agency.