US Bridges

Chesaco Avenue over CSX Railroad

Fair

Baltimore County, Maryland · 0.2 MI S US RTE 40 · Structure no. 200000B-0106010

Built
1957
68 years old, rebuilt 1988
Condition
Fair
inspected May 2023
Type
Girder and Floorbeam System
Steel
Length
152 ft
1 main span
Daily traffic
3,260
2023 count
Owner
County
County Highway Agency

About this bridge

Chesaco Avenue over CSX Railroad is a steel girder and floorbeam system carrying Chesaco Avenue over CSX Railroad in Baltimore County, Maryland. It was built in 1957 and reconstructed in 1988, 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 fair condition with a lowest component rating of 5 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 3,260 vehicles a day, roughly 5% of them trucks, projected to reach 4,844 by 2043. The structure is 152 ft (46.3 m) long and 52 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesChesaco Avenue
CrossesCSX Railroad
Location0.2 MI S US RTE 40
RouteCounty Highway 5069
CountyBaltimore County
StateMaryland
Coordinates39.31678, -76.50915
Functional classUrban Collector

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53.5 US tons
Inventory rating32 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length152 ft (46.3 m)
Longest span72 ft (21.9 m)
Deck width52 ft (15.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,260 (2023)
Projected traffic4,844 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Chesaco Avenue over CSX Railroad built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1988.

What condition is Chesaco Avenue over CSX Railroad 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 May 2023.

How much traffic does Chesaco Avenue over CSX Railroad carry?

About 3,260 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Chesaco Avenue over CSX Railroad?

The structure is 152 ft (46.3 m) long with a longest span of 72 ft (21.9 m) and a deck 52 ft wide.

Who owns Chesaco Avenue over CSX Railroad?

It is owned by the County Highway Agency.