US Bridges

Twin Willows Rd. over SR 1

Good

Kent County, Delaware · East of Brenford · Structure no. 2084C084

Built
1992
33 years old
Condition
Good
inspected August 2021
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
213 ft
2 main spans
Daily traffic
410
2020 count
Owner
State
State Highway Agency

About this bridge

Twin Willows Rd. over SR 1 is a steel continuous stringer/multi-beam or girder carrying Twin Willows Rd. over SR 1 in Kent County, Delaware. It was built in 1992, so it is 33 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 410 vehicles a day, roughly 13% of them trucks, projected to reach 509 by 2042. The structure is 213 ft (65 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesTwin Willows Rd.
CrossesSR 1
LocationEast of Brenford
RouteCounty Highway 84
Coordinates39.25389, -75.57884
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating44 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length213 ft (65 m)
Longest span104 ft (31.7 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic410 (2020)
Projected traffic509 by 2042
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Twin Willows Rd. over SR 1 built?

It was built in 1992, making it 33 years old in 2025.

What condition is Twin Willows Rd. over SR 1 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 August 2021.

How much traffic does Twin Willows Rd. over SR 1 carry?

About 410 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is Twin Willows Rd. over SR 1?

The structure is 213 ft (65 m) long with a longest span of 104 ft (31.7 m) and a deck 47 ft wide.

Who owns Twin Willows Rd. over SR 1?

It is owned by the State Highway Agency.