US Bridges

New Burton RD over Isaac Branch

Fair

Kent County, Delaware · Wyoming · Structure no. 2190B190

Built
1998
27 years old
Condition
Fair
inspected September 2022
Type
Culvert
Concrete
Length
25 ft
1 main span
Daily traffic
4,960
2021 count
Owner
State
State Highway Agency

About this bridge

New Burton RD over Isaac Branch is a concrete culvert carrying New Burton RD over Isaac Branch in Kent County, Delaware. It was built in 1998, so it is 27 years old, younger 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 4,960 vehicles a day, roughly 9% of them trucks, projected to reach 6,504 by 2042. The structure is 25 ft (7.5 m) long and 46 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesNew Burton RD
CrossesIsaac Branch
LocationWyoming
RouteCounty Highway 190
CountyKent County
StateDelaware
Coordinates39.12285, -75.55474
Functional classUrban 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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.9 US tons
Inventory rating44.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length25 ft (7.5 m)
Longest span25 ft (7.5 m)
Deck width46 ft (14 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,960 (2021)
Projected traffic6,504 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 New Burton RD over Isaac Branch built?

It was built in 1998, making it 27 years old in 2025.

What condition is New Burton RD over Isaac Branch 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 2022.

How much traffic does New Burton RD over Isaac Branch carry?

About 4,960 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is New Burton RD over Isaac Branch?

The structure is 25 ft (7.5 m) long with a longest span of 25 ft (7.5 m) and a deck 46 ft wide.

Who owns New Burton RD over Isaac Branch?

It is owned by the State Highway Agency.