US Bridges

N3240 (triple X) over Choctaw Creek

Good

Oklahoma County, Oklahoma · .7N of NE23rd on Triple X · Structure no. 296770000000000

Built
2009
16 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
168 ft
3 main spans
Daily traffic
500
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

N3240 (triple X) over Choctaw Creek is a prestressed concrete stringer/multi-beam or girder carrying N3240 (triple X) over Choctaw Creek in Oklahoma 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 500 vehicles a day, roughly 5% of them trucks, projected to reach 800 by 2042. The structure is 168 ft (51.2 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesN3240 (triple X)
CrossesChoctaw Creek
Location.7N of NE23rd on Triple X
RouteCity Street N3240
Coordinates35.5025, -97.23
Functional classUrban Minor 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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.1 US tons
Inventory rating43.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length168 ft (51.2 m)
Longest span56 ft (17.1 m)
Deck width35 ft (10.6 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2022)
Projected traffic800 by 2042
Trucks5%
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

OwnerCity or Municipal Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$1.2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was N3240 (triple X) over Choctaw Creek built?

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

What condition is N3240 (triple X) over Choctaw Creek 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 (triple X) over Choctaw Creek carry?

About 500 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is N3240 (triple X) over Choctaw Creek?

The structure is 168 ft (51.2 m) long with a longest span of 56 ft (17.1 m) and a deck 35 ft wide.

Who owns N3240 (triple X) over Choctaw Creek?

It is owned by the City or Municipal Highway Agency and maintained by the County Highway Agency.