US Bridges

County RD 350 over Hunting Slu

Good

Butler County, Missouri · S 34 T 23 N R 6 E · Structure no. 32619

Built
2006
19 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 350 over Hunting Slu is a steel stringer/multi-beam or girder carrying County RD 350 over Hunting Slu in Butler County, Missouri. It was built in 2006, so it is 19 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 135 by 2044. The structure is 50 ft (15.2 m) long and 50 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty RD 350
CrossesHunting Slu
LocationS 34 T 23 N R 6 E
RouteCounty Highway 350
Coordinates36.58976, -90.39537
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55.6 US tons
Inventory rating32.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span48 ft (14.6 m)
Deck width50 ft (15.2 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic135 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 County RD 350 over Hunting Slu built?

It was built in 2006, making it 19 years old in 2025.

What condition is County RD 350 over Hunting Slu 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 November 2023.

How much traffic does County RD 350 over Hunting Slu carry?

About 100 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 350 over Hunting Slu?

The structure is 50 ft (15.2 m) long with a longest span of 48 ft (14.6 m) and a deck 50 ft wide.

Who owns County RD 350 over Hunting Slu?

It is owned by the County Highway Agency.