US Bridges

5786C over Black Dog Creek

Fair

Osage County, Oklahoma · 8 Mi. SW of Hominy · Structure no. 066370000000000

Built
1939
86 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
195
2022 count
Owner
County
County Highway Agency

About this bridge

5786C over Black Dog Creek is a concrete culvert carrying 5786C over Black Dog Creek in Osage County, Oklahoma. It was built in 1939, so it is 86 years old, older 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 195 vehicles a day, roughly 15% of them trucks, projected to reach 312 by 2042. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
Carries5786C
CrossesBlack Dog Creek
Location8 Mi. SW of Hominy
RouteCounty Highway 5786C
CountyOsage County
StateOklahoma
Coordinates36.35574, -96.47137
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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating36 US tons
Inventory rating21.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic195 (2022)
Projected traffic312 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 5786C over Black Dog Creek built?

It was built in 1939, making it 86 years old in 2025.

What condition is 5786C over Black Dog 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 March 2024.

How much traffic does 5786C over Black Dog Creek carry?

About 195 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 5786C over Black Dog Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns 5786C over Black Dog Creek?

It is owned by the County Highway Agency.