US Bridges

Hiwassee Rd. over N. Canadian River

Fair

Oklahoma County, Oklahoma · .2 N of NE 122/HIWASSEE · Structure no. 217120000000000

Built
1987
38 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
301 ft
3 main spans
Daily traffic
1,400
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Hiwassee Rd. over N. Canadian River is a prestressed concrete stringer/multi-beam or girder carrying Hiwassee Rd. over N. Canadian River in Oklahoma County, Oklahoma. It was built in 1987, so it is 38 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 6 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 1,400 vehicles a day, roughly 15% of them trucks, projected to reach 2,240 by 2042. The structure is 301 ft (91.7 m) long and 34 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesHiwassee Rd.
CrossesN. Canadian River
Location.2 N of NE 122/HIWASSEE
RouteCounty Highway N3200
CountyOklahoma County
StateOklahoma
Coordinates35.59834, -97.30043
Functional classRural Major 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating48.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length301 ft (91.7 m)
Longest span101 ft (30.8 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2022)
Projected traffic2,240 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$893,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Hiwassee Rd. over N. Canadian River built?

It was built in 1987, making it 38 years old in 2025.

What condition is Hiwassee Rd. 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 2024.

How much traffic does Hiwassee Rd. over N. Canadian River carry?

About 1,400 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is Hiwassee Rd. over N. Canadian River?

The structure is 301 ft (91.7 m) long with a longest span of 101 ft (30.8 m) and a deck 34 ft wide.

Who owns Hiwassee Rd. over N. Canadian River?

It is owned by the City or Municipal Highway Agency.