US Bridges

IRR 5846C over Little Sycamore Creek

Fair

Ottawa County, Oklahoma · 3.8E 3.5N of Kellyvill · Structure no. 199070000000000

Built
1981
44 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
51 ft
3 main spans
Daily traffic
200
2022 count
Owner
County
County Highway Agency

About this bridge

IRR 5846C over Little Sycamore Creek is a concrete culvert carrying IRR 5846C over Little Sycamore Creek in Ottawa County, Oklahoma. It was built in 1981, so it is 44 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 200 vehicles a day, roughly 15% of them trucks, projected to reach 320 by 2042. The structure is 51 ft (15.5 m) long and 36 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesIRR 5846C
CrossesLittle Sycamore Creek
Location3.8E 3.5N of Kellyvill
RouteCounty Highway 5846C
Coordinates36.80517, -94.63189
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
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating59.9 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length51 ft (15.5 m)
Longest span20 ft (6 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2022)
Projected traffic320 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR 5846C over Little Sycamore Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is IRR 5846C over Little Sycamore 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 5846C over Little Sycamore Creek carry?

About 200 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is IRR 5846C over Little Sycamore Creek?

The structure is 51 ft (15.5 m) long with a longest span of 20 ft (6 m) and a deck 36 ft wide.

Who owns IRR 5846C over Little Sycamore Creek?

It is owned by the County Highway Agency.