US Bridges

M.L.K. Jr. Blvd. over St. Jones River

Fair

Kent County, Delaware · Dover · Structure no. 2067A067

Built
1957
68 years old
Condition
Fair
inspected August 2023
Type
Arch - Deck
Concrete
Length
60 ft
1 main span
Daily traffic
9,607
2022 count
Owner
State
State Highway Agency

About this bridge

M.L.K. Jr. Blvd. over St. Jones River is a concrete arch - deck carrying M.L.K. Jr. Blvd. over St. Jones River in Kent County, Delaware. It was built in 1957, so it is 68 years old, older than the Delaware average of 47.3 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 9,607 vehicles a day, roughly 7% of them trucks, projected to reach 10,813 by 2042. The structure is 60 ft (18.3 m) long and 90 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesM.L.K. Jr. Blvd.
CrossesSt. Jones River
LocationDover
RouteCounty Highway 67
CountyKent County
StateDelaware
Coordinates39.15778, -75.51751
Functional classUrban 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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.3 US tons
Inventory rating60.4 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span60 ft (18.3 m)
Deck width90 ft (27.5 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,607 (2022)
Projected traffic10,813 by 2042
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was M.L.K. Jr. Blvd. over St. Jones River built?

It was built in 1957, making it 68 years old in 2025.

What condition is M.L.K. Jr. Blvd. over St. Jones 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 August 2023.

How much traffic does M.L.K. Jr. Blvd. over St. Jones River carry?

About 9,607 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is M.L.K. Jr. Blvd. over St. Jones River?

The structure is 60 ft (18.3 m) long with a longest span of 60 ft (18.3 m) and a deck 90 ft wide.

Who owns M.L.K. Jr. Blvd. over St. Jones River?

It is owned by the State Highway Agency.