US Bridges

FAS 0604 over N. Canadian River

Fair

Blaine County, Oklahoma · .5 N 1 E Greenfield · Structure no. 198050000000000

Built
1980
45 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
200 ft
4 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

FAS 0604 over N. Canadian River is a steel continuous stringer/multi-beam or girder carrying FAS 0604 over N. Canadian River in Blaine County, Oklahoma. It was built in 1980, so it is 45 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 100 vehicles a day, roughly 15% of them trucks, projected to reach 160 by 2042. The structure is 200 ft (61 m) long and 24 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesFAS 0604
CrossesN. Canadian River
Location.5 N 1 E Greenfield
RouteCounty Highway 604
CountyBlaine County
StateOklahoma
Coordinates35.73944, -98.36083
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 inspectionMay 2023
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 rating69 US tons
Inventory rating41 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length200 ft (61 m)
Longest span49 ft (14.9 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 closed8.1 mi (13 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$716,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 0604 over N. Canadian River built?

It was built in 1980, making it 45 years old in 2025.

What condition is FAS 0604 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 May 2023.

How much traffic does FAS 0604 over N. Canadian River carry?

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

How long is FAS 0604 over N. Canadian River?

The structure is 200 ft (61 m) long with a longest span of 49 ft (14.9 m) and a deck 24 ft wide.

Who owns FAS 0604 over N. Canadian River?

It is owned by the County Highway Agency.