US Bridges

US 301 SB over Chester River

Fair

Queen Anne's County, Maryland · On Kent CO Line · Structure no. 100000170014012

Built
1967
58 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
219 ft
5 main spans
Daily traffic
21,558
2024 count
Owner
State
State Highway Agency

About this bridge

US 301 SB over Chester River is a steel stringer/multi-beam or girder carrying US 301 SB over Chester River in Queen Anne's County, Maryland. It was built in 1967, so it is 58 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 21,558 vehicles a day, roughly 8% of them trucks, projected to reach 57,201 by 2044. The structure is 219 ft (66.8 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 301 SB
CrossesChester River
LocationOn Kent CO Line
RouteU.S. Route 301
Coordinates39.26191, -75.86444
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98 US tons
Inventory rating58.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length219 ft (66.8 m)
Longest span65 ft (19.8 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,558 (2024)
Projected traffic57,201 by 2044
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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 US 301 SB over Chester River built?

It was built in 1967, making it 58 years old in 2025.

What condition is US 301 SB over Chester 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 January 2024.

How much traffic does US 301 SB over Chester River carry?

About 21,558 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is US 301 SB over Chester River?

The structure is 219 ft (66.8 m) long with a longest span of 65 ft (19.8 m) and a deck 42 ft wide.

Who owns US 301 SB over Chester River?

It is owned by the State Highway Agency.