US Bridges

Rt Y E over Conner CR

Fair

Boone County, Missouri · S 20 T 46 N R 11 W · Structure no. 6704

Built
1956
69 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete Continuous
Length
35 ft
3 main spans
Daily traffic
1,086
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Y E over Conner CR is a concrete continuous culvert carrying Rt Y E over Conner CR in Boone County, Missouri. It was built in 1956, so it is 69 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 1,086 vehicles a day, roughly 2% of them trucks, projected to reach 1,901 by 2044. The structure is 35 ft (10.6 m) long and 27 ft wide. If it were closed, the detour would be 37.9 mi (61 km).

CarriesRt Y E
CrossesConner CR
LocationS 20 T 46 N R 11 W
RouteState Highway 0Y
Coordinates38.75705, -92.18186
Functional classRural Major Collector

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 evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating45.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 10
Structure length35 ft (10.6 m)
Longest span11 ft (3.4 m)
Deck width27 ft (8.2 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,086 (2024)
Projected traffic1,901 by 2044
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.9 mi (61 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt Y E over Conner CR built?

It was built in 1956, making it 69 years old in 2025.

What condition is Rt Y E over Conner 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 Y E over Conner CR carry?

About 1,086 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Rt Y E over Conner CR?

The structure is 35 ft (10.6 m) long with a longest span of 11 ft (3.4 m) and a deck 27 ft wide.

Who owns Rt Y E over Conner CR?

It is owned by the State Highway Agency.