US Bridges

Kaddon RD over E Yellow CR

Fair

Linn County, Missouri · S 30 T 60 N R 18 W · Structure no. 16573

Built
1905
120 years old, rebuilt 1988
Condition
Fair
inspected November 2024
Type
Girder and Floorbeam System
Steel
Length
52 ft
1 main span
Daily traffic
20
2024 count
Owner
County
County Highway Agency

About this bridge

Kaddon RD over E Yellow CR is a steel girder and floorbeam system carrying Kaddon RD over E Yellow CR in Linn County, Missouri. It was built in 1905 and reconstructed in 1988, so it is 120 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 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 22 by 2044. The structure is 52 ft (15.8 m) long and 17 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesKaddon RD
CrossesE Yellow CR
LocationS 30 T 60 N R 18 W
RouteCounty Highway 125
CountyLinn County
StateMissouri
Coordinates39.98642, -92.95029
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
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 rating40.7 US tons
Inventory rating22.8 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length52 ft (15.8 m)
Longest span51 ft (15.5 m)
Deck width17 ft (5.2 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2024)
Projected traffic22 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$283,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Kaddon RD over E Yellow CR built?

It was built in 1905, making it 120 years old in 2025. It was reconstructed in 1988.

What condition is Kaddon RD over E Yellow 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 November 2024.

How much traffic does Kaddon RD over E Yellow CR carry?

About 20 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Kaddon RD over E Yellow CR?

The structure is 52 ft (15.8 m) long with a longest span of 51 ft (15.5 m) and a deck 17 ft wide.

Who owns Kaddon RD over E Yellow CR?

It is owned by the County Highway Agency.