US Bridges

County RD 412 over Creek

Fair

Lewis County, Missouri · S 23 T 62 N R 7 W · Structure no. 30731

Built
2004
21 years old
Condition
Fair
inspected January 2024
Type
Channel Beam
Concrete
Length
33 ft
1 main span
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 412 over Creek is a concrete channel beam carrying County RD 412 over Creek in Lewis County, Missouri. It was built in 2004, so it is 21 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 15 vehicles a day, roughly 10% of them trucks, projected to reach 19 by 2044. The structure is 33 ft (10.1 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCounty RD 412
CrossesCreek
LocationS 23 T 62 N R 7 W
RouteCounty Highway 107
Coordinates40.15025, -91.64739
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating42.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span32 ft (9.8 m)
Deck width23 ft (7 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2024)
Projected traffic19 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 RD 412 over Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is County RD 412 over Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2024.

How much traffic does County RD 412 over Creek carry?

About 15 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 412 over Creek?

The structure is 33 ft (10.1 m) long with a longest span of 32 ft (9.8 m) and a deck 23 ft wide.

Who owns County RD 412 over Creek?

It is owned by the County Highway Agency.