US Bridges

N3986 (s. Joplin) over Mill Creek

Fair

Tulsa County, Oklahoma · .4E .15N of SHERIDAN/15th · Structure no. 323530000000000

Built
2009
16 years old
Condition
Fair
inspected February 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
448
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

N3986 (s. Joplin) over Mill Creek is a concrete culvert carrying N3986 (s. Joplin) over Mill Creek in Tulsa County, Oklahoma. It was built in 2009, so it is 16 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 448 vehicles a day, roughly 5% of them trucks, projected to reach 717 by 2042. The structure is 21 ft (6.5 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesN3986 (s. Joplin)
CrossesMill Creek
Location.4E .15N of SHERIDAN/15th
RouteCity Street N3986
CountyTulsa County
StateOklahoma
Coordinates36.14267, -95.91097
Functional classUrban Local

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length21 ft (6.5 m)
Longest span10 ft (3 m)
Deck width47 ft (14.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic448 (2022)
Projected traffic717 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost$225,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was N3986 (s. Joplin) over Mill Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is N3986 (s. Joplin) over Mill 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 February 2023.

How much traffic does N3986 (s. Joplin) over Mill Creek carry?

About 448 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is N3986 (s. Joplin) over Mill Creek?

The structure is 21 ft (6.5 m) long with a longest span of 10 ft (3 m) and a deck 47 ft wide.

Who owns N3986 (s. Joplin) over Mill Creek?

It is owned by the City or Municipal Highway Agency.