US Bridges

3394C over Irrigation Canal

GoodPosted for load

Jackson County, Oklahoma · 0.5 S 0.8 E Blair · Structure no. 088500000000000

Built
1940
85 years old
Condition
Good
inspected May 2024
Type
Slab
Concrete
Length
49 ft
2 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

3394C over Irrigation Canal is a concrete slab carrying 3394C over Irrigation Canal in Jackson County, Oklahoma. It was built in 1940, so it is 85 years old, older than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. 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 49 ft (14.9 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries3394C
CrossesIrrigation Canal
Location0.5 S 0.8 E Blair
RouteCounty Highway 3394C
CountyJackson County
StateOklahoma
Coordinates34.76884, -99.31801
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33 US tons
Inventory rating19 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length49 ft (14.9 m)
Longest span25 ft (7.5 m)
Deck width20 ft (6 m)
Roadway width18 ft (5.5 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 closed3.7 mi (6 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$347,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 3394C over Irrigation Canal built?

It was built in 1940, making it 85 years old in 2025.

What condition is 3394C over Irrigation Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does 3394C over Irrigation Canal carry?

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

How long is 3394C over Irrigation Canal?

The structure is 49 ft (14.9 m) long with a longest span of 25 ft (7.5 m) and a deck 20 ft wide.

Who owns 3394C over Irrigation Canal?

It is owned by the County Highway Agency.