US Bridges

IRR E0685 86th St. over Stillwater Creek

Good

Payne County, Oklahoma · .3E of JCT 86th/ROSE RD · Structure no. 326200000000000

Built
2023
2 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
235 ft
3 main spans
Daily traffic
75
2022 count
Owner
County
County Highway Agency

About this bridge

IRR E0685 86th St. over Stillwater Creek is a prestressed concrete stringer/multi-beam or girder carrying IRR E0685 86th St. over Stillwater Creek in Payne County, Oklahoma. It was built in 2023, so it is 2 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 75 vehicles a day, roughly 10% of them trucks, projected to reach 120 by 2042. The structure is 235 ft (71.6 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesIRR E0685 86th St.
CrossesStillwater Creek
Location.3E of JCT 86th/ROSE RD
RouteCounty Highway E0685
Coordinates36.02259, -96.92241
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
Deck9 ExcellentNo problems noted.
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 evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating35.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length235 ft (71.6 m)
Longest span97 ft (29.7 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2022)
Projected traffic120 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR E0685 86th St. over Stillwater Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is IRR E0685 86th St. over Stillwater 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 E0685 86th St. over Stillwater Creek carry?

About 75 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is IRR E0685 86th St. over Stillwater Creek?

The structure is 235 ft (71.6 m) long with a longest span of 97 ft (29.7 m) and a deck 29 ft wide.

Who owns IRR E0685 86th St. over Stillwater Creek?

It is owned by the County Highway Agency.