US Bridges

US 59 S over Little Tarkio CR

Fair

Holt County, Missouri · S 7 T 62 N R 39 W · Structure no. 33616

Built
2011
14 years old
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
239 ft
3 main spans
Daily traffic
791
2024 count
Owner
State
State Highway Agency

About this bridge

US 59 S over Little Tarkio CR is a prestressed concrete box beam or girders - multiple carrying US 59 S over Little Tarkio CR in Holt County, Missouri. It was built in 2011, so it is 14 years old, younger 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 791 vehicles a day, roughly 8% of them trucks, projected to reach 1,028 by 2044. The structure is 239 ft (72.8 m) long and 26 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesUS 59 S
CrossesLittle Tarkio CR
LocationS 7 T 62 N R 39 W
RouteU.S. Route 59
Coordinates40.1956, -95.34016
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.4 US tons
Inventory rating43.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length239 ft (72.8 m)
Longest span80 ft (24.4 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic791 (2024)
Projected traffic1,028 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 59 S over Little Tarkio CR built?

It was built in 2011, making it 14 years old in 2025.

What condition is US 59 S over Little 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 November 2023.

How much traffic does US 59 S over Little Tarkio CR carry?

About 791 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is US 59 S over Little Tarkio CR?

The structure is 239 ft (72.8 m) long with a longest span of 80 ft (24.4 m) and a deck 26 ft wide.

Who owns US 59 S over Little Tarkio CR?

It is owned by the State Highway Agency.