The Bridge Round Is a Loaded Gun: Who's It Actually Pointed At?
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Let's say the uncomfortable part out loud: the bridge round is rarely designed with your interests in mind.
When a company runs low on runway and a Series A isn't materializing, existing investors often offer a "bridge" — a smaller round meant to carry you to the next milestone. The framing is always supportive. We believe in you. Let's keep the lights on. But read the term sheet closely and you'll usually find that the structure protects the investor's position far more aggressively than it protects your company's future.
That doesn't make bridges evil. Sometimes they're the right call. But founders need to walk in with eyes open, because a badly structured bridge doesn't just cost you money — it can poison the very Series A it's supposed to enable.
Anatomy of a Bridge Gone Wrong
The PETS problem. A convertible note is fine in theory. A Post-Money Everything To the moon SAFEs... sorry, let me be precise. The real danger zone is convertible instruments with uncapped or loosely capped valuations combined with aggressive discount rates. When your bridge converts at a discount to your next round's price, every point of discount is dilution you agreed to before you knew what the next round would look like. Stack a 20% discount on a low cap during a tough market, and your bridge investors effectively bought in at a fire-sale price — dilution that lands squarely on the common shareholders, i.e., you and your team.
The ratchet trap. Some bridges include provisions that ratchet the conversion price down if the next round prices lower than expected. Sounds protective, right? For whom? A ratchet means that if your Series A comes in soft, your bridge investors' effective price drops while your dilution spikes. You've just built a mechanism that punishes you for a weak raise.
Crowding out. This is the sneakiest one. Bridge investors often demand pro-rata rights or even super pro-rata rights in the next round — the right to maintain or expand their ownership when the Series A lands. New lead investors notice this. A cap table clogged with bridge investors holding guaranteed future allocation makes your round harder to price and harder to close. Some leads will simply pass. Your bridge, meant to buy you time to raise, has quietly made raising harder.
The signaling tax. Even a clean bridge sends a message: this company couldn't raise its full round. In tight markets, that signal spreads fast. A bridge that's too small to matter operationally can still be big enough reputationally to freeze your pipeline.
What a Founder-Friendly Bridge Looks Like
Bridges don't have to be toxic. The structures that preserve optionality tend to share a few traits:
- A real valuation cap, set at a defensible number — not a floor-scraping cap that hands insiders a windfall on conversion.
- Modest or no discount, or a discount that shrinks as the cap rises.
- No ratchets. Full stop. If a ratchet is on the table, you're not being bridged — you're being positioned.
- Limited pro-rata in the next round, so your bridge doesn't crowd out your future lead.
- A defined milestone and timeline. A bridge with a clear purpose — "get to $80K MRR in nine months" — is a tool. An open-ended bridge is a leash.
- Money from people who'd plausibly lead or follow in your Series A anyway. Aligned capital beats opportunistic capital every time.
Bridge, Bootstrap, or Cut? A Decision Tree
Before you sign anything, walk through this:
- Is there a credible, dated milestone that changes your raise prospects? A signed enterprise contract, a clear metric inflection, a product launch with real pipeline. If yes, and it's 6-12 months out, a clean bridge can make sense.
- If no such milestone exists, what exactly is the bridge buying? Time alone doesn't close rounds. If the honest answer is "delay the reckoning," a bridge just extends the pain and deepens the dilution.
- Can you cut burn instead? Reducing runway consumption by 30-40% often buys the same time as a bridge, with zero dilution and zero signaling cost. It's not fun. It's usually cheaper.
- Is the business worth bridging at all? Brutal question, but a fair one. If your core metrics say the thesis isn't working, a bridge is capital into a declining asset. Sometimes the best use of everyone's money — including yours — is a graceful wind-down or a pivot funded by a small insider note at fair terms.
The Bottom Line
A bridge should be a bridge — a short structure over a known gap to a known destination. Too many are built like toll booths, engineered to extract value at the crossing.
Founders accept bad bridge terms because they're scared, tired, and out of runway, which is exactly when judgment is worst. If you're going to bridge, negotiate like the next round depends on it — because it does. And if the terms on the table are the ratchet-and-crowd-out variety, remember there's always a third option nobody offers you: spend less.