US Bridges

Katy RD over Slaughter Br

Good

Nodaway County, Missouri · S 23 T 66 N R 35 W · Structure no. 36885

Built
2022
3 years old
Condition
Good
inspected December 2024
Type
Culvert
Steel
Length
21 ft
2 main spans
Daily traffic
50
2024 count
Owner
County
County Highway Agency

About this bridge

Katy RD over Slaughter Br is a steel culvert carrying Katy RD over Slaughter Br in Nodaway County, Missouri. It was built in 2022, so it is 3 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 58 by 2044. The structure is 21 ft (6.4 m) long and 20 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesKaty RD
CrossesSlaughter Br
LocationS 23 T 66 N R 35 W
RouteCounty Highway 161
CountyNodaway County
StateMissouri
Coordinates40.50374, -94.82177
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span9 ft (2.7 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic58 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Katy RD over Slaughter Br built?

It was built in 2022, making it 3 years old in 2025.

What condition is Katy RD over Slaughter Br in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does Katy RD over Slaughter Br carry?

About 50 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Katy RD over Slaughter Br?

The structure is 21 ft (6.4 m) long with a longest span of 9 ft (2.7 m) and a deck 20 ft wide.

Who owns Katy RD over Slaughter Br?

It is owned by the County Highway Agency.