US Bridges

SR273/OGLETOWN Rd. over Cool Run

Good

New Castle County, Delaware · Olgetown · Structure no. 1648E018

Built
1997
28 years old
Condition
Good
inspected May 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
88 ft
1 main span
Daily traffic
12,857
2020 count
Owner
State
State Highway Agency

About this bridge

SR273/OGLETOWN Rd. over Cool Run is a prestressed concrete stringer/multi-beam or girder carrying SR273/OGLETOWN Rd. over Cool Run in New Castle County, Delaware. It was built in 1997, so it is 28 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 12,857 vehicles a day, roughly 7% of them trucks, projected to reach 15,980 by 2042. The structure is 88 ft (26.7 m) long and 50 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR273/OGLETOWN Rd.
CrossesCool Run
LocationOlgetown
RouteState Highway 273
Coordinates39.68439, -75.71021
Functional classUrban Other Principal Arterial

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.6 US tons
Inventory rating46.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length88 ft (26.7 m)
Longest span78 ft (23.8 m)
Deck width50 ft (15.1 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,857 (2020)
Projected traffic15,980 by 2042
Trucks7%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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 SR273/OGLETOWN Rd. over Cool Run built?

It was built in 1997, making it 28 years old in 2025.

What condition is SR273/OGLETOWN Rd. over Cool 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 May 2021.

How much traffic does SR273/OGLETOWN Rd. over Cool Run carry?

About 12,857 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is SR273/OGLETOWN Rd. over Cool Run?

The structure is 88 ft (26.7 m) long with a longest span of 78 ft (23.8 m) and a deck 50 ft wide.

Who owns SR273/OGLETOWN Rd. over Cool Run?

It is owned by the State Highway Agency.