US Bridges

Md 145 over Greene Branch

Fair

Baltimore County, Maryland · 0.73 Mile W of Cooper RD · Structure no. 100000030087010

Built
1929
96 years old
Condition
Fair
inspected April 2024
Type
Arch - Deck
Concrete
Length
41 ft
1 main span
Daily traffic
12,712
2009 count
Owner
State
State Highway Agency

About this bridge

Md 145 over Greene Branch is a concrete arch - deck carrying Md 145 over Greene Branch in Baltimore County, Maryland. It was built in 1929, so it is 96 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 12,712 vehicles a day, roughly 8% of them trucks, projected to reach 14,438 by 2026. The structure is 41 ft (12.5 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

No coordinates are recorded for this structure.

CarriesMd 145
CrossesGreene Branch
Location0.73 Mile W of Cooper RD
RouteState Highway 145
CountyBaltimore County
StateMaryland
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating96 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length41 ft (12.5 m)
Longest span41 ft (12.5 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,712 (2009)
Projected traffic14,438 by 2026
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$89,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Md 145 over Greene Branch built?

It was built in 1929, making it 96 years old in 2025.

What condition is Md 145 over Greene Branch 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 April 2024.

How much traffic does Md 145 over Greene Branch carry?

About 12,712 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 145 over Greene Branch?

The structure is 41 ft (12.5 m) long with a longest span of 41 ft (12.5 m) and a deck 27 ft wide.

Who owns Md 145 over Greene Branch?

It is owned by the State Highway Agency.