US Bridges

Rt K S over S Grand Rvr

Fair

Henry County, Missouri · S 10 T 42 N R 28 W · Structure no. 5944

Built
1939
86 years old, rebuilt 2011
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
265 ft
7 main spans
Daily traffic
1,021
2024 count
Owner
State
State Highway Agency

About this bridge

Rt K S over S Grand Rvr is a steel stringer/multi-beam or girder carrying Rt K S over S Grand Rvr in Henry County, Missouri. It was built in 1939 and reconstructed in 2011, so it is 86 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 1,021 vehicles a day, roughly 4% of them trucks, projected to reach 1,532 by 2044. The structure is 265 ft (80.9 m) long and 29 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesRt K S
CrossesS Grand Rvr
LocationS 10 T 42 N R 28 W
RouteState Highway 0K
Coordinates38.45673, -94.00336
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating86.3 US tons
Inventory rating51.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans7
Design loadH 15
Structure length265 ft (80.9 m)
Longest span52 ft (16 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,021 (2024)
Projected traffic1,532 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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 K S over S Grand Rvr built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 2011.

What condition is Rt K S over S Grand Rvr 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 2024.

How much traffic does Rt K S over S Grand Rvr carry?

About 1,021 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Rt K S over S Grand Rvr?

The structure is 265 ft (80.9 m) long with a longest span of 52 ft (16 m) and a deck 29 ft wide.

Who owns Rt K S over S Grand Rvr?

It is owned by the State Highway Agency.