US Bridges

Rt Yy E over Fonso CR

Fair

Callaway County, Missouri · S 35 T 48 N R 7 W · Structure no. 7412

Built
1961
64 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
37 ft
3 main spans
Daily traffic
106
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Yy E over Fonso CR is a concrete continuous culvert carrying Rt Yy E over Fonso CR in Callaway County, Missouri. It was built in 1961, so it is 64 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 106 vehicles a day, roughly 8% of them trucks, projected to reach 164 by 2044. The structure is 37 ft (11.2 m) long and 26 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesRt Yy E
CrossesFonso CR
LocationS 35 T 48 N R 7 W
RouteState Highway 0YY
Coordinates38.88785, -91.66285
Functional classRural Minor 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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating75.4 US tons
Inventory rating45.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 15
Structure length37 ft (11.2 m)
Longest span11 ft (3.4 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic106 (2024)
Projected traffic164 by 2044
Trucks8%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt Yy E over Fonso CR built?

It was built in 1961, making it 64 years old in 2025.

What condition is Rt Yy E over Fonso 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 October 2024.

How much traffic does Rt Yy E over Fonso CR carry?

About 106 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Rt Yy E over Fonso CR?

The structure is 37 ft (11.2 m) long with a longest span of 11 ft (3.4 m) and a deck 26 ft wide.

Who owns Rt Yy E over Fonso CR?

It is owned by the State Highway Agency.