US Bridges

Rt a S over Radgons Slu

Fair

Dunklin County, Missouri · S 10 T 18 N R 9 E · Structure no. 4902

Built
1925
100 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete
Length
52 ft
3 main spans
Daily traffic
400
2024 count
Owner
State
State Highway Agency

About this bridge

Rt a S over Radgons Slu is a concrete slab carrying Rt a S over Radgons Slu in Dunklin County, Missouri. It was built in 1925, so it is 100 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 5 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 400 vehicles a day, roughly 11% of them trucks, projected to reach 560 by 2044. The structure is 52 ft (15.8 m) long and 23 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesRt a S
CrossesRadgons Slu
LocationS 10 T 18 N R 9 E
RouteState Highway 0A
CountyDunklin County
StateMissouri
Coordinates36.20732, -90.08589
Functional classRural Major 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.8 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length52 ft (15.8 m)
Longest span18 ft (5.5 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2024)
Projected traffic560 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Rt a S over Radgons Slu built?

It was built in 1925, making it 100 years old in 2025.

What condition is Rt a S over Radgons Slu 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 November 2024.

How much traffic does Rt a S over Radgons Slu carry?

About 400 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Rt a S over Radgons Slu?

The structure is 52 ft (15.8 m) long with a longest span of 18 ft (5.5 m) and a deck 23 ft wide.

Who owns Rt a S over Radgons Slu?

It is owned by the State Highway Agency.