US Bridges

Upper King Rd. over Tidbury Creek

Good

Kent County, Delaware · North of Woodside · Structure no. 2004A004

Built
2000
25 years old
Condition
Good
inspected September 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
4,661
2021 count
Owner
State
State Highway Agency

About this bridge

Upper King Rd. over Tidbury Creek is a prestressed concrete box beam or girders - multiple carrying Upper King Rd. over Tidbury Creek in Kent County, Delaware. It was built in 2000, so it is 25 years old, younger than the Delaware average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,661 vehicles a day, roughly 8% of them trucks, projected to reach 5,710 by 2042. The structure is 50 ft (15.3 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesUpper King Rd.
CrossesTidbury Creek
LocationNorth of Woodside
RouteU.S. Route 13A
CountyKent County
StateDelaware
Coordinates39.08631, -75.55876
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.8 US tons
Inventory rating56.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length50 ft (15.3 m)
Longest span47 ft (14.4 m)
Deck width40 ft (12.3 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,661 (2021)
Projected traffic5,710 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Upper King Rd. over Tidbury Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is Upper King Rd. over Tidbury Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2022.

How much traffic does Upper King Rd. over Tidbury Creek carry?

About 4,661 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Upper King Rd. over Tidbury Creek?

The structure is 50 ft (15.3 m) long with a longest span of 47 ft (14.4 m) and a deck 40 ft wide.

Who owns Upper King Rd. over Tidbury Creek?

It is owned by the State Highway Agency.