US Bridges

Md 404 over Choptank River

Fair

Caroline County, Maryland · 0.29 Mile East of Md 328 · Structure no. 100000050026010

Built
1983
42 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
1,105 ft
11 main spans
Daily traffic
20,471
2009 count
Owner
State
State Highway Agency

About this bridge

Md 404 over Choptank River is a prestressed concrete continuous stringer/multi-beam or girder carrying Md 404 over Choptank River in Caroline County, Maryland. It was built in 1983, so it is 42 years old, younger 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 20,471 vehicles a day, roughly 8% of them trucks, projected to reach 20,859 by 2026. The structure is 1,105 ft (336.8 m) long and 86 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMd 404
CrossesChoptank River
Location0.29 Mile East of Md 328
RouteState Highway 404
Coordinates38.89669, -75.83025
Functional classRural Principal Arterial - Other

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating37.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans11
Design loadHS 20
Structure length1,105 ft (336.8 m)
Longest span100 ft (30.5 m)
Deck width86 ft (26.2 m)
Roadway width83 ft (25.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,471 (2009)
Projected traffic20,859 by 2026
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Md 404 over Choptank River built?

It was built in 1983, making it 42 years old in 2025.

What condition is Md 404 over Choptank River 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 June 2023.

How much traffic does Md 404 over Choptank River carry?

About 20,471 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 404 over Choptank River?

The structure is 1,105 ft (336.8 m) long with a longest span of 100 ft (30.5 m) and a deck 86 ft wide.

Who owns Md 404 over Choptank River?

It is owned by the State Highway Agency.