US Bridges

Md 138 over Trib to Charles Run

Fair

Baltimore County, Maryland · 4.34 MI East of Md 45 · Structure no. 100000030359030

Built
1985
40 years old
Condition
Fair
inspected February 2025
Type
Culvert
Steel
Length
22 ft
2 main spans
Daily traffic
4,031
2006 count
Owner
State
State Highway Agency

About this bridge

Md 138 over Trib to Charles Run is a steel culvert carrying Md 138 over Trib to Charles Run in Baltimore County, Maryland. It was built in 1985, so it is 40 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 4,031 vehicles a day, roughly 8% of them trucks, projected to reach 4,648 by 2026. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

No coordinates are recorded for this structure.

CarriesMd 138
CrossesTrib to Charles Run
Location4.34 MI East of Md 45
RouteState Highway 138
Functional classRural Minor 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
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 rating94.5 US tons
Inventory rating56.4 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,031 (2006)
Projected traffic4,648 by 2026
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Md 138 over Trib to Charles Run built?

It was built in 1985, making it 40 years old in 2025.

What condition is Md 138 over Trib to Charles 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 February 2025.

How much traffic does Md 138 over Trib to Charles Run carry?

About 4,031 vehicles per day (2006 count), of which roughly 8% are trucks.

How long is Md 138 over Trib to Charles Run?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns Md 138 over Trib to Charles Run?

It is owned by the State Highway Agency.