US Bridges

County RD 418 over Little Rvr

Fair

Scott County, Missouri · S 25 T 28 N R 11 E · Structure no. 29717

Built
2002
23 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
60 ft
2 main spans
Daily traffic
18
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 418 over Little Rvr is a steel continuous stringer/multi-beam or girder carrying County RD 418 over Little Rvr in Scott County, Missouri. It was built in 2002, so it is 23 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 18 vehicles a day, roughly 10% of them trucks, projected to reach 25 by 2043. The structure is 60 ft (18.3 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCounty RD 418
CrossesLittle Rvr
LocationS 25 T 28 N R 11 E
RouteCounty Highway 184
CountyScott County
StateMissouri
Coordinates37.06716, -89.7758
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum 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 alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckOther
Main spans2
Design loadUnknown
Structure length60 ft (18.3 m)
Longest span51 ft (15.5 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18 (2023)
Projected traffic25 by 2043
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 418 over Little Rvr built?

It was built in 2002, making it 23 years old in 2025.

What condition is County RD 418 over Little Rvr 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 2025.

How much traffic does County RD 418 over Little Rvr carry?

About 18 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 418 over Little Rvr?

The structure is 60 ft (18.3 m) long with a longest span of 51 ft (15.5 m) and a deck 20 ft wide.

Who owns County RD 418 over Little Rvr?

It is owned by the County Highway Agency.