US Bridges

Rt Hh S over Calvey CR

Good

Franklin County, Missouri · S 24 T 42 N R 2 E · Structure no. 36709

Built
2022
3 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
140 ft
3 main spans
Daily traffic
2,478
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Hh S over Calvey CR is a prestressed concrete continuous stringer/multi-beam or girder carrying Rt Hh S over Calvey CR in Franklin County, Missouri. It was built in 2022, so it is 3 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,478 vehicles a day, roughly 24% of them trucks, projected to reach 4,708 by 2044. The structure is 140 ft (42.7 m) long and 33 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesRt Hh S
CrossesCalvey CR
LocationS 24 T 42 N R 2 E
RouteState Highway 0HH
Coordinates38.37193, -90.75322
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating81.4 US tons
Inventory rating48.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length140 ft (42.7 m)
Longest span48 ft (14.6 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,478 (2024)
Projected traffic4,708 by 2044
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt Hh S over Calvey CR built?

It was built in 2022, making it 3 years old in 2025.

What condition is Rt Hh S over Calvey CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

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

About 2,478 vehicles per day (2024 count), of which roughly 24% are trucks.

How long is Rt Hh S over Calvey CR?

The structure is 140 ft (42.7 m) long with a longest span of 48 ft (14.6 m) and a deck 33 ft wide.

Who owns Rt Hh S over Calvey CR?

It is owned by the State Highway Agency.