US Bridges

County RD 417 over Miller CR

Good

Wayne County, Missouri · S 4 T 26 N R 5 E · Structure no. 34798

Built
2015
10 years old
Condition
Good
inspected December 2023
Type
Box Beam or Girders - Multiple
Concrete
Length
75 ft
1 main span
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 417 over Miller CR is a concrete box beam or girders - multiple carrying County RD 417 over Miller CR in Wayne County, Missouri. It was built in 2015, so it is 10 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 125 by 2044. The structure is 75 ft (22.9 m) long and 20 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesCounty RD 417
CrossesMiller CR
LocationS 4 T 26 N R 5 E
RouteCounty Highway 417
Coordinates36.93796, -90.53318
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
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 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 rating85.3 US tons
Inventory rating50.6 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length75 ft (22.9 m)
Longest span72 ft (21.9 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic125 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 417 over Miller CR built?

It was built in 2015, making it 10 years old in 2025.

What condition is County RD 417 over Miller CR 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 2023.

How much traffic does County RD 417 over Miller CR carry?

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

How long is County RD 417 over Miller CR?

The structure is 75 ft (22.9 m) long with a longest span of 72 ft (21.9 m) and a deck 20 ft wide.

Who owns County RD 417 over Miller CR?

It is owned by the County Highway Agency.