US Bridges

Marl Pit RD over Dove Nest Branch

Fair

New Castle County, Delaware · N.W. of Odessa · Structure no. 1405 429

Built
1990
35 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
52 ft
2 main spans
Daily traffic
2,917
2023 count
Owner
State
State Highway Agency

About this bridge

Marl Pit RD over Dove Nest Branch is a concrete culvert carrying Marl Pit RD over Dove Nest Branch in New Castle County, Delaware. It was built in 1990, so it is 35 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 2,917 vehicles a day, roughly 9% of them trucks, projected to reach 3,555 by 2042. The structure is 52 ft (15.7 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesMarl Pit RD
CrossesDove Nest Branch
LocationN.W. of Odessa
RouteCounty Highway 429
CountyNew Castle County
StateDelaware
Coordinates39.46339, -75.67011
Functional classRural Major Collector

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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.1 US tons
Inventory rating31.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length52 ft (15.7 m)
Longest span25 ft (7.7 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,917 (2023)
Projected traffic3,555 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Marl Pit RD over Dove Nest Branch built?

It was built in 1990, making it 35 years old in 2025.

What condition is Marl Pit RD over Dove Nest 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 August 2024.

How much traffic does Marl Pit RD over Dove Nest Branch carry?

About 2,917 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Marl Pit RD over Dove Nest Branch?

The structure is 52 ft (15.7 m) long with a longest span of 25 ft (7.7 m) and a deck 31 ft wide.

Who owns Marl Pit RD over Dove Nest Branch?

It is owned by the State Highway Agency.