US Bridges

Flat Woods RD over Creek

Fair

Iron County, Missouri · S 24 T 33 N R 4 E · Structure no. 16082

Built
1945
80 years old, rebuilt 1950
Condition
Fair
inspected February 2025
Type
Slab
Concrete Continuous
Length
31 ft
2 main spans
Daily traffic
35
2023 count
Owner
County
County Highway Agency

About this bridge

Flat Woods RD over Creek is a concrete continuous slab carrying Flat Woods RD over Creek in Iron County, Missouri. It was built in 1945 and reconstructed in 1950, so it is 80 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 42 by 2043. The structure is 31 ft (9.4 m) long and 20 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesFlat Woods RD
CrossesCreek
LocationS 24 T 33 N R 4 E
RouteCounty Highway 109
CountyIron County
StateMissouri
Coordinates37.5373, -90.55
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 length31 ft (9.4 m)
Longest span14 ft (4.3 m)
Deck width20 ft (6.2 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2023)
Projected traffic42 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Flat Woods RD over Creek built?

It was built in 1945, making it 80 years old in 2025. It was reconstructed in 1950.

What condition is Flat Woods RD over Creek 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 Woods RD over Creek carry?

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

How long is Flat Woods RD over Creek?

The structure is 31 ft (9.4 m) long with a longest span of 14 ft (4.3 m) and a deck 20 ft wide.

Who owns Flat Woods RD over Creek?

It is owned by the County Highway Agency.