US Bridges

Rt Nn E over Sellars CR

Fair

McDonald County, Missouri · S 27 T 23 N R 32 W · Structure no. 6978

Built
1957
68 years old
Condition
Fair
inspected February 2025
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
716
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Nn E over Sellars CR is a concrete continuous culvert carrying Rt Nn E over Sellars CR in McDonald County, Missouri. It was built in 1957, so it is 68 years old, older than the Missouri average of 45.1 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 716 vehicles a day, roughly 4% of them trucks, projected to reach 1,253 by 2044. The structure is 27 ft (8.2 m) long and 29 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesRt Nn E
CrossesSellars CR
LocationS 27 T 23 N R 32 W
RouteState Highway 0NN
Coordinates36.68841, -94.38409
Functional classRural Minor 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.6 US tons
Inventory rating29.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 10
Structure length27 ft (8.2 m)
Longest span10 ft (3 m)
Deck width29 ft (8.7 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic716 (2024)
Projected traffic1,253 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Rt Nn E over Sellars CR built?

It was built in 1957, making it 68 years old in 2025.

What condition is Rt Nn E over Sellars CR 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 2025.

How much traffic does Rt Nn E over Sellars CR carry?

About 716 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Rt Nn E over Sellars CR?

The structure is 27 ft (8.2 m) long with a longest span of 10 ft (3 m) and a deck 29 ft wide.

Who owns Rt Nn E over Sellars CR?

It is owned by the State Highway Agency.