US Bridges

SW Ketchem RD over Lit Third Fk

Fair

DeKalb County, Missouri · S 17 T 58 N R 32 W · Structure no. 21881

Built
1920
105 years old, rebuilt 1997
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
69 ft
1 main span
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

SW Ketchem RD over Lit Third Fk is a steel stringer/multi-beam or girder carrying SW Ketchem RD over Lit Third Fk in DeKalb County, Missouri. It was built in 1920 and reconstructed in 1997, so it is 105 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 15 vehicles a day, roughly 10% of them trucks, projected to reach 17 by 2044. The structure is 69 ft (21 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSW Ketchem RD
CrossesLit Third Fk
LocationS 17 T 58 N R 32 W
RouteCounty Highway 328
Coordinates39.84978, -94.51119
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.
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, 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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating63.5 US tons
Inventory rating37.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length69 ft (21 m)
Longest span69 ft (21 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2024)
Projected traffic17 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 SW Ketchem RD over Lit Third Fk built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1997.

What condition is SW Ketchem RD over Lit Third Fk 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 SW Ketchem RD over Lit Third Fk carry?

About 15 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is SW Ketchem RD over Lit Third Fk?

The structure is 69 ft (21 m) long with a longest span of 69 ft (21 m) and a deck 18 ft wide.

Who owns SW Ketchem RD over Lit Third Fk?

It is owned by the County Highway Agency.