US Bridges

Flat Creek RD over Flat CR

Fair

Stone County, Missouri · S 30 T 24 N R 24 W · Structure no. 18820

Built
1997
28 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
121 ft
1 main span
Daily traffic
30
2023 count
Owner
County
County Highway Agency

About this bridge

Flat Creek RD over Flat CR is a steel stringer/multi-beam or girder carrying Flat Creek RD over Flat CR in Stone County, Missouri. It was built in 1997, so it is 28 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 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 30 vehicles a day, roughly 10% of them trucks, projected to reach 57 by 2043. The structure is 121 ft (36.9 m) long and 16 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesFlat Creek RD
CrossesFlat CR
LocationS 30 T 24 N R 24 W
RouteCounty Highway 0
CountyStone County
StateMissouri
Coordinates36.75756, -93.5605
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
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionFebruary 2025
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50.6 US tons
Inventory rating29.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length121 ft (36.9 m)
Longest span60 ft (18.3 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic57 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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$570,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Flat Creek RD over Flat CR built?

It was built in 1997, making it 28 years old in 2025.

What condition is Flat Creek RD over Flat 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 February 2025.

How much traffic does Flat Creek RD over Flat CR carry?

About 30 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Flat Creek RD over Flat CR?

The structure is 121 ft (36.9 m) long with a longest span of 60 ft (18.3 m) and a deck 16 ft wide.

Who owns Flat Creek RD over Flat CR?

It is owned by the County Highway Agency.