US Bridges

Rt Dd S over Cedar CR

Fair

Ralls County, Missouri · S 17 T 56 N R 6 W · Structure no. 8290

Built
1963
62 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete Continuous
Length
38 ft
3 main spans
Daily traffic
896
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Dd S over Cedar CR is a concrete continuous culvert carrying Rt Dd S over Cedar CR in Ralls County, Missouri. It was built in 1963, so it is 62 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 896 vehicles a day, roughly 11% of them trucks, projected to reach 1,299 by 2044. The structure is 38 ft (11.7 m) long and 29 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesRt Dd S
CrossesCedar CR
LocationS 17 T 56 N R 6 W
RouteState Highway 0DD
CountyRalls County
StateMissouri
Coordinates39.64764, -91.59873
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 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 evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating80.4 US tons
Inventory rating47.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 15
Structure length38 ft (11.7 m)
Longest span12 ft (3.7 m)
Deck width29 ft (8.9 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic896 (2024)
Projected traffic1,299 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Dd S over Cedar CR built?

It was built in 1963, making it 62 years old in 2025.

What condition is Rt Dd S over Cedar CR 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 Dd S over Cedar CR carry?

About 896 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Rt Dd S over Cedar CR?

The structure is 38 ft (11.7 m) long with a longest span of 12 ft (3.7 m) and a deck 29 ft wide.

Who owns Rt Dd S over Cedar CR?

It is owned by the State Highway Agency.