NE 312th ST over Little Smith Creek
PoorClinton County, Missouri · S 15 T 56 N R 31 W · Structure no. 16054
- Built
- 1990
- 35 years old
- Condition
- Poor
- inspected December 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 45 ft
- 1 main span
- Daily traffic
- 15
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
NE 312th ST over Little Smith Creek is a steel stringer/multi-beam or girder carrying NE 312th ST over Little Smith Creek in Clinton County, Missouri. It was built in 1990, so it is 35 years old, younger 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 3 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.
It carries about 15 vehicles a day, roughly 10% of them trucks, projected to reach 17 by 2043. The structure is 45 ft (13.7 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
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.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Channel and channel protection | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was NE 312th ST over Little Smith Creek built?
It was built in 1990, making it 35 years old in 2025.
What condition is NE 312th ST over Little Smith Creek 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 December 2024.
How much traffic does NE 312th ST over Little Smith Creek carry?
About 15 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is NE 312th ST over Little Smith Creek?
The structure is 45 ft (13.7 m) long with a longest span of 44 ft (13.4 m) and a deck 24 ft wide.
Who owns NE 312th ST over Little Smith Creek?
It is owned by the County Highway Agency.