US Bridges

NE 122nd St. over N. Canadian River

Fair

Oklahoma County, Oklahoma · .8 E of N Post Rd/Ne 122 · Structure no. 213420000000000

Built
1986
39 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
288 ft
3 main spans
Daily traffic
100
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

NE 122nd St. over N. Canadian River is a prestressed concrete stringer/multi-beam or girder carrying NE 122nd St. over N. Canadian River in Oklahoma County, Oklahoma. It was built in 1986, so it is 39 years old, younger than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 100 vehicles a day, roughly 5% of them trucks, projected to reach 160 by 2042. The structure is 288 ft (87.8 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNE 122nd St.
CrossesN. Canadian River
Location.8 E of N Post Rd/Ne 122
RouteCity Street E0980
Coordinates35.59511, -97.33967
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.8 US tons
Inventory rating37 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length288 ft (87.8 m)
Longest span95 ft (29 m)
Deck width34 ft (10.5 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$872,000
NavigationNo navigation control on waterway

Frequently asked questions

When was NE 122nd St. over N. Canadian River built?

It was built in 1986, making it 39 years old in 2025.

What condition is NE 122nd St. over N. Canadian River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does NE 122nd St. over N. Canadian River carry?

About 100 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is NE 122nd St. over N. Canadian River?

The structure is 288 ft (87.8 m) long with a longest span of 95 ft (29 m) and a deck 34 ft wide.

Who owns NE 122nd St. over N. Canadian River?

It is owned by the City or Municipal Highway Agency.