US Bridges

Md 346 over Burnt Mill Branch

Fair

Wicomico County, Maryland · 0.73 MI W of Worcester CO · Structure no. 100000220010010

Built
1919
106 years old, rebuilt 1953
Condition
Fair
inspected March 2023
Type
Slab
Concrete
Length
30 ft
2 main spans
Daily traffic
2,382
2009 count
Owner
State
State Highway Agency

About this bridge

Md 346 over Burnt Mill Branch is a concrete slab carrying Md 346 over Burnt Mill Branch in Wicomico County, Maryland. It was built in 1919 and reconstructed in 1953, so it is 106 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 2,382 vehicles a day, roughly 8% of them trucks, projected to reach 2,919 by 2026. The structure is 30 ft (9.1 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMd 346
CrossesBurnt Mill Branch
Location0.73 MI W of Worcester CO
RouteState Highway 346
CountyWicomico County
StateMaryland
Coordinates38.38893, -75.33789
Functional classRural Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.5 US tons
Inventory rating37 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length30 ft (9.1 m)
Longest span15 ft (4.6 m)
Deck width40 ft (12.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,382 (2009)
Projected traffic2,919 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 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 346 over Burnt Mill Branch built?

It was built in 1919, making it 106 years old in 2025. It was reconstructed in 1953.

What condition is Md 346 over Burnt Mill 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 March 2023.

How much traffic does Md 346 over Burnt Mill Branch carry?

About 2,382 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 346 over Burnt Mill Branch?

The structure is 30 ft (9.1 m) long with a longest span of 15 ft (4.6 m) and a deck 40 ft wide.

Who owns Md 346 over Burnt Mill Branch?

It is owned by the State Highway Agency.