US Bridges

Mohrs Lane over CSX Railroad

PoorClosed to traffic

Baltimore County, Maryland · 0.1 MI NW of US RTE 40 · Structure no. 200000B-0143010

Built
1912
113 years old, rebuilt 1989
Condition
Poor
inspected May 2009
Type
Girder and Floorbeam System
Steel
Length
145 ft
1 main span
Daily traffic
1,600
1996 count
Owner
County
County Highway Agency

About this bridge

Mohrs Lane over CSX Railroad is a steel girder and floorbeam system carrying Mohrs Lane over CSX Railroad in Baltimore County, Maryland. It was built in 1912 and reconstructed in 1989, so it is 113 years old, older than the Maryland average of 52.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 2 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 1,600 vehicles a day, roughly 5% of them trucks, projected to reach 4,000 by 2016. The structure is 145 ft (44.2 m) long and 16 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMohrs Lane
CrossesCSX Railroad
Location0.1 MI NW of US RTE 40
RouteCounty Highway 4183
Coordinates39.3614, -76.4471
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Substructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Last inspectionMay 2009
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourBridge not over waterway
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry0: Immediate repair necessary to put back in service
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating14 US tons
Inventory rating10 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1 (+3 approach)
Design loadUnknown
Structure length145 ft (44.2 m)
Longest span63 ft (19.2 m)
Deck width16 ft (4.9 m)
Roadway width12 ft (3.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (1996)
Projected traffic4,000 by 2016
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4.2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mohrs Lane over CSX Railroad built?

It was built in 1912, making it 113 years old in 2025. It was reconstructed in 1989.

What condition is Mohrs Lane over CSX Railroad in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2009.

How much traffic does Mohrs Lane over CSX Railroad carry?

About 1,600 vehicles per day (1996 count), of which roughly 5% are trucks.

How long is Mohrs Lane over CSX Railroad?

The structure is 145 ft (44.2 m) long with a longest span of 63 ft (19.2 m) and a deck 16 ft wide.

Who owns Mohrs Lane over CSX Railroad?

It is owned by the County Highway Agency.