US Bridges

County RD 476 over Little Rvr

Fair

Scott County, Missouri · S 7 T 26 N R 13 E · Structure no. 16563

Built
1955
70 years old, rebuilt 1990
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
65 ft
2 main spans
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 476 over Little Rvr is a steel stringer/multi-beam or girder carrying County RD 476 over Little Rvr in Scott County, Missouri. It was built in 1955 and reconstructed in 1990, so it is 70 years old, older 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 70 by 2043. The structure is 65 ft (19.8 m) long and 18 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCounty RD 476
CrossesLittle Rvr
LocationS 7 T 26 N R 13 E
RouteCounty Highway 125
CountyScott County
StateMissouri
Coordinates36.9034, -89.6911
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating84.3 US tons
Inventory rating27.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 10
Structure length65 ft (19.8 m)
Longest span53 ft (16.2 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic70 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$336,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 476 over Little Rvr built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1990.

What condition is County RD 476 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 476 over Little Rvr carry?

About 50 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 476 over Little Rvr?

The structure is 65 ft (19.8 m) long with a longest span of 53 ft (16.2 m) and a deck 18 ft wide.

Who owns County RD 476 over Little Rvr?

It is owned by the County Highway Agency.