US Bridges

N. Richland over N. Canadian River

Fair

Canadian County, Oklahoma · .8 N of S.H. 66 · Structure no. 285340000000000

Built
1984
41 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Prestressed Concrete
Length
150 ft
3 main spans
Daily traffic
200
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

N. Richland over N. Canadian River is a prestressed concrete tee beam carrying N. Richland over N. Canadian River in Canadian County, Oklahoma. It was built in 1984, so it is 41 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 200 vehicles a day, roughly 5% of them trucks, projected to reach 320 by 2042. The structure is 150 ft (45.7 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesN. Richland
CrossesN. Canadian River
Location.8 N of S.H. 66
RouteCity Street N2920
Coordinates35.51973, -97.79531
Functional classUrban Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating67.6 US tons
Inventory rating51 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length150 ft (45.7 m)
Longest span50 ft (15.2 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2022)
Projected traffic320 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 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$880,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N. Richland over N. Canadian River built?

It was built in 1984, making it 41 years old in 2025.

What condition is N. Richland 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 July 2024.

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

About 200 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is N. Richland over N. Canadian River?

The structure is 150 ft (45.7 m) long with a longest span of 50 ft (15.2 m) and a deck 28 ft wide.

Who owns N. Richland over N. Canadian River?

It is owned by the City or Municipal Highway Agency.