US Bridges

Jackson Ditch Rd. over Browns Branch

Good

Kent County, Delaware · N.E. Harrington · Structure no. 2429A429

Built
2012
13 years old
Condition
Good
inspected September 2022
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
531
2021 count
Owner
State
State Highway Agency

About this bridge

Jackson Ditch Rd. over Browns Branch is a concrete culvert carrying Jackson Ditch Rd. over Browns Branch in Kent County, Delaware. It was built in 2012, so it is 13 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 531 vehicles a day, roughly 9% of them trucks, projected to reach 576 by 2042. The structure is 23 ft (7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesJackson Ditch Rd.
CrossesBrowns Branch
LocationN.E. Harrington
RouteCounty Highway 429
CountyKent County
StateDelaware
Coordinates38.94296, -75.53907
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating51 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length23 ft (7 m)
Longest span20 ft (6.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic531 (2021)
Projected traffic576 by 2042
Trucks9%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Jackson Ditch Rd. over Browns Branch built?

It was built in 2012, making it 13 years old in 2025.

What condition is Jackson Ditch Rd. over Browns Branch 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 Jackson Ditch Rd. over Browns Branch carry?

About 531 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is Jackson Ditch Rd. over Browns Branch?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.2 m).

Who owns Jackson Ditch Rd. over Browns Branch?

It is owned by the State Highway Agency.