US Bridges

IRR N3470 over Council Creek

Good

Payne County, Oklahoma · 3W; 1.8S of SH 18/SH 51 · Structure no. 290140000000000

Built
2013
12 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
210 ft
3 main spans
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

IRR N3470 over Council Creek is a prestressed concrete stringer/multi-beam or girder carrying IRR N3470 over Council Creek in Payne County, Oklahoma. It was built in 2013, so it is 12 years old, younger 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.

It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 80 by 2042. The structure is 210 ft (64 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesIRR N3470
CrossesCouncil Creek
Location3W; 1.8S of SH 18/SH 51
RouteCounty Highway N3470
Coordinates36.08306, -96.81972
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating37 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length210 ft (64 m)
Longest span70 ft (21.3 m)
Deck width29 ft (8.7 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic80 by 2042
Trucks10%
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$555,000
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR N3470 over Council Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is IRR N3470 over Council Creek 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 September 2023.

How much traffic does IRR N3470 over Council Creek carry?

About 50 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is IRR N3470 over Council Creek?

The structure is 210 ft (64 m) long with a longest span of 70 ft (21.3 m) and a deck 29 ft wide.

Who owns IRR N3470 over Council Creek?

It is owned by the County Highway Agency.