US Bridges

Md 311 over Broadway Branch

Fair

Caroline County, Maryland · 1.47 Mile North of Md 287 · Structure no. 100000050004030

Built
1950
75 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
25 ft
Daily traffic
3,460
2009 count
Owner
State
State Highway Agency

About this bridge

Md 311 over Broadway Branch is a concrete culvert carrying Md 311 over Broadway Branch in Caroline County, Maryland. It was built in 1950, so it is 75 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 3,460 vehicles a day, roughly 8% of them trucks, projected to reach 3,955 by 2026. The structure is 25 ft (7.5 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesMd 311
CrossesBroadway Branch
Location1.47 Mile North of Md 287
RouteState Highway 311
CountyCaroline County
StateMaryland
Coordinates39.05792, -75.77924
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.5 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans0
Design loadUnknown
Structure length25 ft (7.5 m)
Longest span4 ft (1.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,460 (2009)
Projected traffic3,955 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Md 311 over Broadway Branch built?

It was built in 1950, making it 75 years old in 2025.

What condition is Md 311 over Broadway 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 May 2023.

How much traffic does Md 311 over Broadway Branch carry?

About 3,460 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 311 over Broadway Branch?

The structure is 25 ft (7.5 m) long with a longest span of 4 ft (1.2 m).

Who owns Md 311 over Broadway Branch?

It is owned by the State Highway Agency.