US Bridges

Rt K S over N Fk Crooked CR

PoorPosted for load

Livingston County, Missouri · S 18 T 59 N R 23 W · Structure no. 8720

Built
1932
93 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
106 ft
3 main spans
Daily traffic
227
2024 count
Owner
State
State Highway Agency

About this bridge

Rt K S over N Fk Crooked CR is a steel stringer/multi-beam or girder carrying Rt K S over N Fk Crooked CR in Livingston County, Missouri. It was built in 1932, so it is 93 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 227 vehicles a day, roughly 11% of them trucks, projected to reach 284 by 2044. The structure is 106 ft (32.3 m) long and 21 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesRt K S
CrossesN Fk Crooked CR
LocationS 18 T 59 N R 23 W
RouteState Highway 0K
Coordinates39.92127, -93.53648
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating18.8 US tons
Inventory rating8.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length106 ft (32.3 m)
Longest span48 ft (14.6 m)
Deck width21 ft (6.4 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic227 (2024)
Projected traffic284 by 2044
Trucks11%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.1 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt K S over N Fk Crooked CR built?

It was built in 1932, making it 93 years old in 2025.

What condition is Rt K S over N Fk Crooked CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Rt K S over N Fk Crooked CR carry?

About 227 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Rt K S over N Fk Crooked CR?

The structure is 106 ft (32.3 m) long with a longest span of 48 ft (14.6 m) and a deck 21 ft wide.

Who owns Rt K S over N Fk Crooked CR?

It is owned by the State Highway Agency.