US Bridges

Llangollen Blvd. over Army Creek

Good

New Castle County, Delaware · W. of New Castle · Structure no. 1661 034G

Built
1975
50 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
282
2023 count
Owner
State
State Highway Agency

About this bridge

Llangollen Blvd. over Army Creek is a concrete culvert carrying Llangollen Blvd. over Army Creek in New Castle County, Delaware. It was built in 1975, so it is 50 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 282 vehicles a day, roughly 11% of them trucks, projected to reach 4,386 by 2042. The structure is 23 ft (7 m) long and 31 ft wide.

CarriesLlangollen Blvd.
CrossesArmy Creek
LocationW. of New Castle
RouteCounty Highway 34G
Coordinates39.64869, -75.62185
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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.5 US tons
Inventory rating22.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span11 ft (3.4 m)
Deck width31 ft (9.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic282 (2023)
Projected traffic4,386 by 2042
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Llangollen Blvd. over Army Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Llangollen Blvd. over Army 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 July 2024.

How much traffic does Llangollen Blvd. over Army Creek carry?

About 282 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is Llangollen Blvd. over Army Creek?

The structure is 23 ft (7 m) long with a longest span of 11 ft (3.4 m) and a deck 31 ft wide.

Who owns Llangollen Blvd. over Army Creek?

It is owned by the State Highway Agency.