US Bridges

Rt K E over Union CR

Fair

Boone County, Missouri · S 9 T 47 N R 13 W · Structure no. 8804

Built
1933
92 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
8,000
2024 count
Owner
State
State Highway Agency

About this bridge

Rt K E over Union CR is a concrete continuous culvert carrying Rt K E over Union CR in Boone County, Missouri. It was built in 1933, so it is 92 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 8,000 vehicles a day, roughly 5% of them trucks, projected to reach 14,800 by 2044. The structure is 21 ft (6.5 m) long and 22 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesRt K E
CrossesUnion CR
LocationS 9 T 47 N R 13 W
RouteState Highway 0K
CountyBoone County
StateMissouri
Coordinates38.87072, -92.38318
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.7 US tons
Inventory rating25.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 10
Structure length21 ft (6.5 m)
Longest span10 ft (3 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,000 (2024)
Projected traffic14,800 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$450,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt K E over Union CR built?

It was built in 1933, making it 92 years old in 2025.

What condition is Rt K E over Union 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 September 2023.

How much traffic does Rt K E over Union CR carry?

About 8,000 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Rt K E over Union CR?

The structure is 21 ft (6.5 m) long with a longest span of 10 ft (3 m) and a deck 22 ft wide.

Who owns Rt K E over Union CR?

It is owned by the State Highway Agency.