US Bridges

Rt Nn E over Slaughter Br

Fair

Nodaway County, Missouri · S 35 T 66 N R 35 W · Structure no. 7075

Built
1958
67 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
114
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Nn E over Slaughter Br is a concrete continuous culvert carrying Rt Nn E over Slaughter Br in Nodaway County, Missouri. It was built in 1958, so it is 67 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 114 vehicles a day, roughly 10% of them trucks, projected to reach 148 by 2044. The structure is 23 ft (7 m) long and 26 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

CarriesRt Nn E
CrossesSlaughter Br
LocationS 35 T 66 N R 35 W
RouteState Highway 0NN
Coordinates40.48198, -94.83283
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 10
Structure length23 ft (7 m)
Longest span11 ft (3.4 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic114 (2024)
Projected traffic148 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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 Slaughter Br built?

It was built in 1958, making it 67 years old in 2025.

What condition is Rt Nn E over Slaughter Br 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 January 2024.

How much traffic does Rt Nn E over Slaughter Br carry?

About 114 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Rt Nn E over Slaughter Br?

The structure is 23 ft (7 m) long with a longest span of 11 ft (3.4 m) and a deck 26 ft wide.

Who owns Rt Nn E over Slaughter Br?

It is owned by the State Highway Agency.