US Bridges

N3940(CINCINNATI) over Delaware Cr. Oflow

Good

Tulsa County, Oklahoma · .5S of 86th North · Structure no. 293120000000000

Built
2009
16 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
80 ft
2 main spans
Daily traffic
805
2024 count
Owner
County
County Highway Agency

About this bridge

N3940(CINCINNATI) over Delaware Cr. Oflow is a prestressed concrete stringer/multi-beam or girder carrying N3940(CINCINNATI) over Delaware Cr. Oflow in Tulsa County, Oklahoma. It was built in 2009, so it is 16 years old, younger than the Oklahoma average of 47.8 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 805 vehicles a day, roughly 10% of them trucks, projected to reach 1,288 by 2044. The structure is 80 ft (24.4 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesN3940(CINCINNATI)
CrossesDelaware Cr. Oflow
Location.5S of 86th North
RouteCounty Highway N3940
CountyTulsa County
StateOklahoma
Coordinates36.27111, -95.99278
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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span40 ft (12.2 m)
Deck width35 ft (10.7 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic805 (2024)
Projected traffic1,288 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$555,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N3940(CINCINNATI) over Delaware Cr. Oflow built?

It was built in 2009, making it 16 years old in 2025.

What condition is N3940(CINCINNATI) over Delaware Cr. Oflow 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 2023.

How much traffic does N3940(CINCINNATI) over Delaware Cr. Oflow carry?

About 805 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is N3940(CINCINNATI) over Delaware Cr. Oflow?

The structure is 80 ft (24.4 m) long with a longest span of 40 ft (12.2 m) and a deck 35 ft wide.

Who owns N3940(CINCINNATI) over Delaware Cr. Oflow?

It is owned by the County Highway Agency.