US Bridges

County Road 161 over Booker Slu

Good

Carroll County, Missouri · S 12 T 52 N R 25 W · Structure no. 30888

Built
2005
20 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete Continuous
Length
35 ft
2 main spans
Daily traffic
25
2024 count
Owner
County
County Highway Agency

About this bridge

County Road 161 over Booker Slu is a concrete continuous culvert carrying County Road 161 over Booker Slu in Carroll County, Missouri. It was built in 2005, so it is 20 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 25 vehicles a day, roughly 10% of them trucks, projected to reach 28 by 2044. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCounty Road 161
CrossesBooker Slu
LocationS 12 T 52 N R 25 W
RouteCounty Highway 478
CountyCarroll County
StateMissouri
Coordinates39.33597, -93.64526
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.5 US tons
Inventory rating38.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2024)
Projected traffic28 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 County Road 161 over Booker Slu built?

It was built in 2005, making it 20 years old in 2025.

What condition is County Road 161 over Booker 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 Road 161 over Booker Slu carry?

About 25 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County Road 161 over Booker Slu?

The structure is 35 ft (10.7 m) long with a longest span of 15 ft (4.6 m).

Who owns County Road 161 over Booker Slu?

It is owned by the County Highway Agency.