US Bridges

Copeland RD over Flat Rvr

Fair

St. Francois County, Missouri · S 22 T 36 N R 4 E · Structure no. 20770

Built
1924
101 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete Continuous
Length
36 ft
2 main spans
Daily traffic
35
2023 count
Owner
County
County Highway Agency

About this bridge

Copeland RD over Flat Rvr is a concrete continuous slab carrying Copeland RD over Flat Rvr in St. Francois County, Missouri. It was built in 1924, so it is 101 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 35 vehicles a day, roughly 10% of them trucks, projected to reach 53 by 2043. The structure is 36 ft (11 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCopeland RD
CrossesFlat Rvr
LocationS 22 T 36 N R 4 E
RouteCounty Highway 274
CountySt. Francois County
StateMissouri
Coordinates37.81396, -90.578
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
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 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 rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length36 ft (11 m)
Longest span18 ft (5.5 m)
Deck width24 ft (7.3 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2023)
Projected traffic53 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-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 Copeland RD over Flat Rvr built?

It was built in 1924, making it 101 years old in 2025.

What condition is Copeland RD over Flat 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 December 2024.

How much traffic does Copeland RD over Flat Rvr carry?

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

How long is Copeland RD over Flat Rvr?

The structure is 36 ft (11 m) long with a longest span of 18 ft (5.5 m) and a deck 24 ft wide.

Who owns Copeland RD over Flat Rvr?

It is owned by the County Highway Agency.