Is 29 N over Tarkio Rvr
FairHolt County, Missouri · S 28 T 63 N R 40 W · Structure no. 2357
- Built
- 1973
- 52 years old
- Condition
- Fair
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 444 ft
- 3 main spans
- Daily traffic
- 7,512
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Is 29 N over Tarkio Rvr is a steel continuous stringer/multi-beam or girder carrying Is 29 N over Tarkio Rvr in Holt County, Missouri. It was built in 1973, so it is 52 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 7,512 vehicles a day, roughly 36% of them trucks, projected to reach 15,775 by 2044. The structure is 444 ft (135.3 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Is 29 N over Tarkio Rvr built?
It was built in 1973, making it 52 years old in 2025.
What condition is Is 29 N over Tarkio 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 November 2023.
How much traffic does Is 29 N over Tarkio Rvr carry?
About 7,512 vehicles per day (2024 count), of which roughly 36% are trucks.
How long is Is 29 N over Tarkio Rvr?
The structure is 444 ft (135.3 m) long with a longest span of 85 ft (25.9 m) and a deck 42 ft wide.
Who owns Is 29 N over Tarkio Rvr?
It is owned by the State Highway Agency.