IRR E0180 over Horse Creek

Fair

Ottawa County, Oklahoma · 4.5N 1E of Afton · Structure no. 305760000000000

Built: 2014; 11 years old
Condition: Fair; inspected September 2023
Type: Culvert; Concrete
Length: 30 ft; 1 main span
Daily traffic: 100; 2022 count
Owner: County; County Highway Agency

About this bridge

IRR E0180 over Horse Creek is a concrete culvert carrying IRR E0180 over Horse Creek in Ottawa County, Oklahoma. It was built in 2014, so it is 11 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 10% of them trucks, projected to reach 160 by 2042. The structure is 30 ft (9.1 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesIRR E0180

CrossesHorse Creek

Location4.5N 1E of Afton

RouteCounty Highway E0180

CountyOttawa County

StateOklahoma

Coordinates36.75762, -94.94764

Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

Component	Rating	Meaning
Channel and channel protection	8 Very Good	No problems noted.
Culvert	6 Satisfactory	Structural elements show some minor deterioration.

Last inspectionSeptember 2023

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation6: Equal to 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 rating91.9 US tons

Inventory rating55 US tons

Structure

Structure typeCulvert

MaterialConcrete

DeckConcrete, precast panels

Main spans1

Design loadHS 20

Structure length30 ft (9.1 m)

Longest span30 ft (9.1 m)

Deck width28 ft (8.5 m)

Roadway width26 ft (7.9 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)

Projected traffic160 by 2042

Trucks10%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed6.2 mi (10 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 E0180 over Horse Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is IRR E0180 over Horse Creek 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 September 2023.

How much traffic does IRR E0180 over Horse Creek carry?

About 100 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is IRR E0180 over Horse Creek?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns IRR E0180 over Horse Creek?

It is owned by the County Highway Agency.