Mill Hill RD over Lit Meramec Rvr
GoodFranklin County, Missouri · S 36 T 42 N R 1 E · Structure no. 20321
- Built
- 1998
- 27 years old
- Condition
- Good
- inspected January 2025
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 182 ft
- 3 main spans
- Daily traffic
- 250
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Mill Hill RD over Lit Meramec Rvr is a prestressed concrete stringer/multi-beam or girder carrying Mill Hill RD over Lit Meramec Rvr in Franklin County, Missouri. It was built in 1998, so it is 27 years old, younger than the Missouri average of 45.1 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 250 vehicles a day, roughly 5% of them trucks, projected to reach 450 by 2043. The structure is 182 ft (55.5 m) long and 26 ft wide. If it were closed, the detour would be 9.9 mi (16 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mill Hill RD over Lit Meramec Rvr built?
It was built in 1998, making it 27 years old in 2025.
What condition is Mill Hill RD over Lit Meramec Rvr in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2025.
How much traffic does Mill Hill RD over Lit Meramec Rvr carry?
About 250 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is Mill Hill RD over Lit Meramec Rvr?
The structure is 182 ft (55.5 m) long with a longest span of 60 ft (18.3 m) and a deck 26 ft wide.
Who owns Mill Hill RD over Lit Meramec Rvr?
It is owned by the County Highway Agency.