US Bridges

SR 1 over US 13

Good

New Castle County, Delaware · North of Odessa · Structure no. 1912S083

Built
1999
26 years old
Condition
Good
inspected June 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
224 ft
2 main spans
Daily traffic
18,625
2020 count
Owner
State
State Highway Agency

About this bridge

SR 1 over US 13 is a prestressed concrete stringer/multi-beam or girder carrying SR 1 over US 13 in New Castle County, Delaware. It was built in 1999, so it is 26 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 18,625 vehicles a day, roughly 9% of them trucks, projected to reach 23,149 by 2042. The structure is 224 ft (68.3 m) long and 45 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesSR 1
CrossesUS 13
LocationNorth of Odessa
RouteState Highway 1
CountyNew Castle County
StateDelaware
Coordinates39.46381, -75.65597
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionJune 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.8 US tons
Inventory rating37.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length224 ft (68.3 m)
Longest span111 ft (33.8 m)
Deck width45 ft (13.6 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,625 (2020)
Projected traffic23,149 by 2042
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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 SR 1 over US 13 built?

It was built in 1999, making it 26 years old in 2025.

What condition is SR 1 over US 13 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 June 2021.

How much traffic does SR 1 over US 13 carry?

About 18,625 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is SR 1 over US 13?

The structure is 224 ft (68.3 m) long with a longest span of 111 ft (33.8 m) and a deck 45 ft wide.

Who owns SR 1 over US 13?

It is owned by the State Highway Agency.