US Bridges

Old Wilmington Rd. over Wilm & West R/R

Fair

New Castle County, Delaware · East of Hockessin · Structure no. 1172A275

Built
1987
38 years old
Condition
Fair
inspected April 2024
Type
Slab
Wood or Timber
Length
60 ft
3 main spans
Daily traffic
2,828
2023 count
Owner
State
State Highway Agency

About this bridge

Old Wilmington Rd. over Wilm & West R/R is a wood or timber slab carrying Old Wilmington Rd. over Wilm & West R/R in New Castle County, Delaware. It was built in 1987, so it is 38 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 5 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 2,828 vehicles a day, roughly 7% of them trucks, projected to reach 5,395 by 2042. The structure is 60 ft (18.3 m) long and 45 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesOld Wilmington Rd.
CrossesWilm & West R/R
LocationEast of Hockessin
RouteCounty Highway 275
CountyNew Castle County
StateDelaware
Coordinates39.79078, -75.68651
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.2 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span20 ft (6.1 m)
Deck width45 ft (13.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,828 (2023)
Projected traffic5,395 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.1 mi (5 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$405,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Old Wilmington Rd. over Wilm & West R/R built?

It was built in 1987, making it 38 years old in 2025.

What condition is Old Wilmington Rd. over Wilm & West R/R 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 April 2024.

How much traffic does Old Wilmington Rd. over Wilm & West R/R carry?

About 2,828 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Old Wilmington Rd. over Wilm & West R/R?

The structure is 60 ft (18.3 m) long with a longest span of 20 ft (6.1 m) and a deck 45 ft wide.

Who owns Old Wilmington Rd. over Wilm & West R/R?

It is owned by the State Highway Agency.