US Bridges

FAS 0612 over N. Canadian River

FairPosted for load

Blaine County, Oklahoma · 4.0 W 5.5 N Watonga · Structure no. 151740000000000

Built
1960
65 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
220 ft
4 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

FAS 0612 over N. Canadian River is a steel stringer/multi-beam or girder carrying FAS 0612 over N. Canadian River in Blaine County, Oklahoma. It was built in 1960, so it is 65 years old, older 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. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, roughly 15% of them trucks, projected to reach 160 by 2042. The structure is 220 ft (67.1 m) long and 24 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

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CarriesFAS 0612
CrossesN. Canadian River
Location4.0 W 5.5 N Watonga
RouteCounty Highway 612
CountyBlaine County
StateOklahoma
Coordinates35.92194, -98.49417
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating18 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length220 ft (67.1 m)
Longest span59 ft (18 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$754,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 0612 over N. Canadian River built?

It was built in 1960, making it 65 years old in 2025.

What condition is FAS 0612 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 June 2023.

How much traffic does FAS 0612 over N. Canadian River carry?

About 100 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is FAS 0612 over N. Canadian River?

The structure is 220 ft (67.1 m) long with a longest span of 59 ft (18 m) and a deck 24 ft wide.

Who owns FAS 0612 over N. Canadian River?

It is owned by the County Highway Agency.