US Bridges

Rt N S over Lit Tarkio CR

FairPosted for load

Atchison County, Missouri · S 26 T 65 N R 39 W · Structure no. 8237

Built
1962
63 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
201 ft
3 main spans
Daily traffic
182
2024 count
Owner
State
State Highway Agency

About this bridge

Rt N S over Lit Tarkio CR is a steel continuous stringer/multi-beam or girder carrying Rt N S over Lit Tarkio CR in Atchison County, Missouri. It was built in 1962, so it is 63 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. Its operating status is: posted for load restriction.

It carries about 182 vehicles a day, roughly 11% of them trucks, projected to reach 237 by 2044. The structure is 201 ft (61.3 m) long and 24 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

CarriesRt N S
CrossesLit Tarkio CR
LocationS 26 T 65 N R 39 W
RouteState Highway 0N
Coordinates40.41066, -95.27312
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating21.8 US tons
Inventory rating12.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length201 ft (61.3 m)
Longest span75 ft (22.9 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic182 (2024)
Projected traffic237 by 2044
Trucks11%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 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 Lit Tarkio CR built?

It was built in 1962, making it 63 years old in 2025.

What condition is Rt N S over Lit Tarkio 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 September 2023.

How much traffic does Rt N S over Lit Tarkio CR carry?

About 182 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Rt N S over Lit Tarkio CR?

The structure is 201 ft (61.3 m) long with a longest span of 75 ft (22.9 m) and a deck 24 ft wide.

Who owns Rt N S over Lit Tarkio CR?

It is owned by the State Highway Agency.