US Bridges

South Miller Road over Small Creek

Good

Jackson County, Missouri · S 31 T 47 N R 29 W · Structure no. 36479

Built
2023
2 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
60
2024 count
Owner
County
County Highway Agency

About this bridge

South Miller Road over Small Creek is a concrete continuous culvert carrying South Miller Road over Small Creek in Jackson County, Missouri. It was built in 2023, so it is 2 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 60 vehicles a day, roughly 10% of them trucks, projected to reach 90 by 2044. The structure is 26 ft (7.9 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSouth Miller Road
CrossesSmall Creek
LocationS 31 T 47 N R 29 W
RouteCounty Highway 322
Coordinates38.84497, -94.15607
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.
Culvert9 ExcellentNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable 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 alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating102.2 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span11 ft (3.5 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2024)
Projected traffic90 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 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 South Miller Road over Small Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is South Miller Road over Small Creek 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 March 2023.

How much traffic does South Miller Road over Small Creek carry?

About 60 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is South Miller Road over Small Creek?

The structure is 26 ft (7.9 m) long with a longest span of 11 ft (3.5 m) and a deck 20 ft wide.

Who owns South Miller Road over Small Creek?

It is owned by the County Highway Agency.