US Bridges

Main Street over Tidy Island Creek

Fair

Kent County, Delaware · South of Marydel · Structure no. 2208A208

Built
1975
50 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
99 ft
2 main spans
Daily traffic
1,321
2022 count
Owner
State
State Highway Agency

About this bridge

Main Street over Tidy Island Creek is a prestressed concrete box beam or girders - multiple carrying Main Street over Tidy Island Creek in Kent County, Delaware. It was built in 1975, so it is 50 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 1,321 vehicles a day, roughly 17% of them trucks, projected to reach 1,500 by 2042. The structure is 99 ft (30.2 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMain Street
CrossesTidy Island Creek
LocationSouth of Marydel
RouteCounty Highway 208
Coordinates39.10726, -75.74094
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.8 US tons
Inventory rating37.5 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length99 ft (30.2 m)
Longest span46 ft (14.1 m)
Deck width36 ft (11.1 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,321 (2022)
Projected traffic1,500 by 2042
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Main Street over Tidy Island Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Main Street over Tidy Island 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 2023.

How much traffic does Main Street over Tidy Island Creek carry?

About 1,321 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is Main Street over Tidy Island Creek?

The structure is 99 ft (30.2 m) long with a longest span of 46 ft (14.1 m) and a deck 36 ft wide.

Who owns Main Street over Tidy Island Creek?

It is owned by the State Highway Agency.