US Bridges

Chespeake City Rd. over Guthrie Run

Good

New Castle County, Delaware · N.W. of Summit Bridge · Structure no. 1366 399

Built
2013
12 years old
Condition
Good
inspected September 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
37 ft
1 main span
Daily traffic
2,146
2020 count
Owner
State
State Highway Agency

About this bridge

Chespeake City Rd. over Guthrie Run is a prestressed concrete box beam or girders - multiple carrying Chespeake City Rd. over Guthrie Run in New Castle County, Delaware. It was built in 2013, so it is 12 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 2,146 vehicles a day, roughly 7% of them trucks, projected to reach 2,667 by 2042. The structure is 37 ft (11.3 m) long and 40 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

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CarriesChespeake City Rd.
CrossesGuthrie Run
LocationN.W. of Summit Bridge
RouteCounty Highway 399
CountyNew Castle County
StateDelaware
Coordinates39.54513, -75.75967
Functional classRural Major Collector

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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length37 ft (11.3 m)
Longest span30 ft (9.2 m)
Deck width40 ft (12.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,146 (2020)
Projected traffic2,667 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$450,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Chespeake City Rd. over Guthrie Run built?

It was built in 2013, making it 12 years old in 2025.

What condition is Chespeake City Rd. over Guthrie Run 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 September 2021.

How much traffic does Chespeake City Rd. over Guthrie Run carry?

About 2,146 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is Chespeake City Rd. over Guthrie Run?

The structure is 37 ft (11.3 m) long with a longest span of 30 ft (9.2 m) and a deck 40 ft wide.

Who owns Chespeake City Rd. over Guthrie Run?

It is owned by the State Highway Agency.