US Bridges

Rt Kk S over Is 70

Fair

Lafayette County, Missouri · S 2 T 48 N R 25 W · Structure no. 80

Built
1963
62 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete Continuous
Length
203 ft
4 main spans
Daily traffic
345
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Kk S over Is 70 is a concrete continuous slab carrying Rt Kk S over Is 70 in Lafayette County, Missouri. It was built in 1963, so it is 62 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 5 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 345 vehicles a day, roughly 11% of them trucks, projected to reach 500 by 2044. The structure is 203 ft (61.9 m) long and 28 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesRt Kk S
CrossesIs 70
LocationS 2 T 48 N R 25 W
RouteState Highway 0KK
CountyLafayette County
StateMissouri
Coordinates38.98954, -93.63244
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating21.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length203 ft (61.9 m)
Longest span56 ft (17.1 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic345 (2024)
Projected traffic500 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Rt Kk S over Is 70 built?

It was built in 1963, making it 62 years old in 2025.

What condition is Rt Kk S over Is 70 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 January 2025.

How much traffic does Rt Kk S over Is 70 carry?

About 345 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Rt Kk S over Is 70?

The structure is 203 ft (61.9 m) long with a longest span of 56 ft (17.1 m) and a deck 28 ft wide.

Who owns Rt Kk S over Is 70?

It is owned by the State Highway Agency.