US Bridges

County RD 518 over Little Rvr

Fair

Stoddard County, Missouri · S 6 T 26 N R 13 E · Structure no. 14577

Built
1989
36 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
49 ft
1 main span
Daily traffic
35
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 518 over Little Rvr is a steel stringer/multi-beam or girder carrying County RD 518 over Little Rvr in Stoddard County, Missouri. It was built in 1989, so it is 36 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 35 vehicles a day, roughly 10% of them trucks, projected to reach 46 by 2043. The structure is 49 ft (14.9 m) long and 18 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty RD 518
CrossesLittle Rvr
LocationS 6 T 26 N R 13 E
RouteCounty Highway 70
Coordinates36.91801, -89.68918
Functional classRural Minor Collector

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
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating68.5 US tons
Inventory rating49.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length49 ft (14.9 m)
Longest span48 ft (14.6 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2023)
Projected traffic46 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 County RD 518 over Little Rvr built?

It was built in 1989, making it 36 years old in 2025.

What condition is County RD 518 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 518 over Little Rvr carry?

About 35 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 518 over Little Rvr?

The structure is 49 ft (14.9 m) long with a longest span of 48 ft (14.6 m) and a deck 18 ft wide.

Who owns County RD 518 over Little Rvr?

It is owned by the County Highway Agency.