US Bridges

N3240 over N. Canadian River

Good

Oklahoma County, Oklahoma · 2.3E;1.5N of Choctaw · Structure no. 285590000000000

Built
2008
17 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
900 ft
10 main spans
Daily traffic
2,000
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

N3240 over N. Canadian River is a prestressed concrete stringer/multi-beam or girder carrying N3240 over N. Canadian River in Oklahoma County, Oklahoma. It was built in 2008, so it is 17 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 2,000 vehicles a day, roughly 10% of them trucks, projected to reach 3,200 by 2042. The structure is 900 ft (274.3 m) long and 42 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesN3240
CrossesN. Canadian River
Location2.3E;1.5N of Choctaw
RouteCity Street N3240
Coordinates35.51944, -97.23083
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating47.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length900 ft (274.3 m)
Longest span100 ft (30.5 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2022)
Projected traffic3,200 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$7.9 million
NavigationNo navigation control on waterway

Frequently asked questions

When was N3240 over N. Canadian River built?

It was built in 2008, making it 17 years old in 2025.

What condition is N3240 over N. Canadian River 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 November 2023.

How much traffic does N3240 over N. Canadian River carry?

About 2,000 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N3240 over N. Canadian River?

The structure is 900 ft (274.3 m) long with a longest span of 100 ft (30.5 m) and a deck 42 ft wide.

Who owns N3240 over N. Canadian River?

It is owned by the City or Municipal Highway Agency.