US Bridges

Rt N S over Calvey CR

Fair

Franklin County, Missouri · S 4 T 42 N R 2 E · Structure no. 29166

Built
2002
23 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
241 ft
3 main spans
Daily traffic
3,078
2024 count
Owner
State
State Highway Agency

About this bridge

Rt N S over Calvey CR is a prestressed concrete continuous stringer/multi-beam or girder carrying Rt N S over Calvey CR in Franklin County, Missouri. It was built in 2002, so it is 23 years old, younger 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 3,078 vehicles a day, roughly 11% of them trucks, projected to reach 5,848 by 2044. The structure is 241 ft (73.4 m) long and 42 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

CarriesRt N S
CrossesCalvey CR
LocationS 4 T 42 N R 2 E
RouteState Highway 0N
Coordinates38.41142, -90.79804
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2023
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.4 US tons
Inventory rating43.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length241 ft (73.4 m)
Longest span92 ft (28 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,078 (2024)
Projected traffic5,848 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 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 N S over Calvey CR built?

It was built in 2002, making it 23 years old in 2025.

What condition is Rt N S over Calvey 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 2023.

How much traffic does Rt N S over Calvey CR carry?

About 3,078 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Rt N S over Calvey CR?

The structure is 241 ft (73.4 m) long with a longest span of 92 ft (28 m) and a deck 42 ft wide.

Who owns Rt N S over Calvey CR?

It is owned by the State Highway Agency.