Helium RD over Trib Lit Medicine
PoorPosted for loadMercer County, Missouri · S 16 T 64 N R 22 W · Structure no. 20872
- Built
- 1950
- 75 years old, rebuilt 1989
- Condition
- Poor
- inspected January 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 30 ft
- 1 main span
- Daily traffic
- 30
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Helium RD over Trib Lit Medicine is a steel stringer/multi-beam or girder carrying Helium RD over Trib Lit Medicine in Mercer County, Missouri. It was built in 1950 and reconstructed in 1989, so it is 75 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 30 vehicles a day, roughly 10% of them trucks, projected to reach 33 by 2044. The structure is 30 ft (9.1 m) long and 14 ft wide. If it were closed, the detour would be 8.7 mi (14 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Helium RD over Trib Lit Medicine built?
It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1989.
What condition is Helium RD over Trib Lit Medicine 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 January 2024.
How much traffic does Helium RD over Trib Lit Medicine carry?
About 30 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is Helium RD over Trib Lit Medicine?
The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 14 ft wide.
Who owns Helium RD over Trib Lit Medicine?
It is owned by the County Highway Agency.