US Bridges

Vietnam Mem Hgwy over So.Branch-Naamans Creek

Good

New Castle County, Delaware · Claymont · Structure no. 1799 060

Built
1966
59 years old, rebuilt 1972
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
33 ft
2 main spans
Daily traffic
79,365
2022 count
Owner
State
State Highway Agency

About this bridge

Vietnam Mem Hgwy over So.Branch-Naamans Creek is a concrete culvert carrying Vietnam Mem Hgwy over So.Branch-Naamans Creek in New Castle County, Delaware. It was built in 1966 and reconstructed in 1972, so it is 59 years old, older 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 79,365 vehicles a day, roughly 14% of them trucks, projected to reach 98,135 by 2042. The structure is 33 ft (10.1 m) long.

CarriesVietnam Mem Hgwy
CrossesSo.Branch-Naamans Creek
LocationClaymont
RouteInterstate 495
Coordinates39.80934, -75.45336
Functional classUrban Principal Arterial - Interstate

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic79,365 (2022)
Projected traffic98,135 by 2042
Trucks14%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Vietnam Mem Hgwy over So.Branch-Naamans Creek built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1972.

What condition is Vietnam Mem Hgwy over So.Branch-Naamans 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 March 2024.

How much traffic does Vietnam Mem Hgwy over So.Branch-Naamans Creek carry?

About 79,365 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is Vietnam Mem Hgwy over So.Branch-Naamans Creek?

The structure is 33 ft (10.1 m) long with a longest span of 16 ft (4.9 m).

Who owns Vietnam Mem Hgwy over So.Branch-Naamans Creek?

It is owned by the State Highway Agency.