FM 3400 over Flat Creek Relief
FairMcLennan County, Texas · 2.4 MI S of FM434 (n End) · Structure no. 091610083314041
- Built
- 1982
- 43 years old
- Condition
- Fair
- inspected November 2024
- Type
- Culvert
- Concrete
- Length
- 52 ft
- 6 main spans
- Daily traffic
- 2,396
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
FM 3400 over Flat Creek Relief is a concrete culvert carrying FM 3400 over Flat Creek Relief in McLennan County, Texas. It was built in 1982, so it is 43 years old, younger than the Texas average of 44.4 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 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 2,396 vehicles a day, roughly 5% of them trucks, projected to reach 3,354 by 2042. The structure is 52 ft (15.9 m) long and 42 ft wide. If it were closed, the detour would be 3.7 mi (6 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM 3400 over Flat Creek Relief built?
It was built in 1982, making it 43 years old in 2025.
What condition is FM 3400 over Flat Creek Relief 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 2024.
How much traffic does FM 3400 over Flat Creek Relief carry?
About 2,396 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is FM 3400 over Flat Creek Relief?
The structure is 52 ft (15.9 m) long with a longest span of 8 ft (2.4 m) and a deck 42 ft wide.
Who owns FM 3400 over Flat Creek Relief?
It is owned by the State Highway Agency.