A Selly Oak Labour councillor says she is disappointed that work to fix a broken pipe and reopen Harbone Lane was finished late.
The road has been closed since November when a large water main burst.
Repairs had been expected to be completed by the end of February but the road will now not reopen until Sunday (5th March).
Cllr Karen McCarthy said: “I’m disappointed that the work wasn’t finished as promised by the end of February.
“Residents understood the complexity of the work, but I expected the deadline to be met.”
Severn Trent Water which carried out the repairs said the project had been a complex one.
A spokesperson said: “This work did take quite a long time as there were over 500 separate checks to be carried out.
“There was a big hole where the burst pipe was and the road surface was damaged.
“The pipe is actually six metres underneath the road so you can see what a big job it’s been to fix it.
“We did expect to be able to reopen the road at the end of February, however we discovered a void under the road surface that we needed to fill before we could begin the resurfacing. We’ve worked round the clock to get this done, and we’re happy to say that this is now fixed.”
Although the project has been a source of frustration for some locals, but others said they recognised the challenge of such a large-scale repair.
Louise Flanagan, who works at The Oleaster psychiatric hospital, said her commute had been disrupted during the work: “I travel via bus, so initially before they sorted the two-way traffic system around that island, my journey was extended by a good deal.
“It was at worst a little inconvenient but given the severity of the damage, I think the relevant authorities have done a very good job.”