US Bridges

Andrewville RD over Marshyhope Creek

Fair

Kent County, Delaware · N/W of Andrewville · Structure no. 2304C304

Built
1969
56 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
71 ft
2 main spans
Daily traffic
483
2023 count
Owner
State
State Highway Agency

About this bridge

Andrewville RD over Marshyhope Creek is a prestressed concrete box beam or girders - multiple carrying Andrewville RD over Marshyhope Creek in Kent County, Delaware. It was built in 1969, so it is 56 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 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 483 vehicles a day, roughly 17% of them trucks, projected to reach 591 by 2042. The structure is 71 ft (21.6 m) long and 31 ft wide. If it were closed, the detour would be 4.3 mi (7 km).

CarriesAndrewville RD
CrossesMarshyhope Creek
LocationN/W of Andrewville
RouteCounty Highway 304
Coordinates38.86956, -75.64963
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length71 ft (21.6 m)
Longest span34 ft (10.4 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic483 (2023)
Projected traffic591 by 2042
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed4.3 mi (7 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 Andrewville RD over Marshyhope Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is Andrewville RD over Marshyhope Creek 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 September 2024.

How much traffic does Andrewville RD over Marshyhope Creek carry?

About 483 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is Andrewville RD over Marshyhope Creek?

The structure is 71 ft (21.6 m) long with a longest span of 34 ft (10.4 m) and a deck 31 ft wide.

Who owns Andrewville RD over Marshyhope Creek?

It is owned by the State Highway Agency.