US Bridges

County RD 433 over Coppedge CR

Fair

Maries County, Missouri · S 25 T 39 N R 7 W · Structure no. 29806

Built
2002
23 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
55 ft
1 main span
Daily traffic
20
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 433 over Coppedge CR is a steel stringer/multi-beam or girder carrying County RD 433 over Coppedge CR in Maries 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 20 vehicles a day, roughly 10% of them trucks, projected to reach 24 by 2043. The structure is 55 ft (16.9 m) long and 18 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesCounty RD 433
CrossesCoppedge CR
LocationS 25 T 39 N R 7 W
RouteCounty Highway 98
Coordinates38.06581, -91.6475
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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.7 US tons
Inventory rating18.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length55 ft (16.9 m)
Longest span53 ft (16.1 m)
Deck width18 ft (5.6 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2023)
Projected traffic24 by 2043
Trucks10%
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

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$298,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 433 over Coppedge CR built?

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

What condition is County RD 433 over Coppedge 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 April 2023.

How much traffic does County RD 433 over Coppedge CR carry?

About 20 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 433 over Coppedge CR?

The structure is 55 ft (16.9 m) long with a longest span of 53 ft (16.1 m) and a deck 18 ft wide.

Who owns County RD 433 over Coppedge CR?

It is owned by the County Highway Agency.