Monmouth Road over ST Marys River
GoodAdams County, Indiana · 0.60 Miles S of Piqua Roa · Structure no. 0100031
- Built
- 1986
- 39 years old
- Condition
- Good
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 296 ft
- 4 main spans
- Daily traffic
- 1,656
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Monmouth Road over ST Marys River is a prestressed concrete continuous stringer/multi-beam or girder carrying Monmouth Road over ST Marys River in Adams County, Indiana. It was built in 1986, so it is 39 years old, younger than the Indiana average of 46.6 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 1,656 vehicles a day, roughly 10% of them trucks, projected to reach 2,215 by 2042. The structure is 296 ft (90.3 m) long and 32 ft wide. If it were closed, the detour would be 2.5 mi (4 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Monmouth Road over ST Marys River built?
It was built in 1986, making it 39 years old in 2025.
What condition is Monmouth Road over ST Marys River 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 May 2024.
How much traffic does Monmouth Road over ST Marys River carry?
About 1,656 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is Monmouth Road over ST Marys River?
The structure is 296 ft (90.3 m) long with a longest span of 73 ft (22.2 m) and a deck 32 ft wide.
Who owns Monmouth Road over ST Marys River?
It is owned by the County Highway Agency.