The La Hermandad bridge is located on the Anguiatú border crossing with Guatemala.
The troubled Brazilian company will transfer its stake in Invepar to creditors, according to a newspaper report.
Concebra's parent company Triunfo is trying to review concession contracts.
ANTT will receive comments until October 15.
The concessions panel found that most of the delay could be attributed to the public works ministry, which took too long to approve the engineering plans for the expansion of Santiago airport.
BNamericas spoke with Javier Jiménez Espriú, the communications and transport minister-designate of the incoming Mexican government of Andrés Manuel López Obrador, about the mega airport under construction in Texcoco.
Brazil had US$381bn in foreign reserves at the end of August, according to the central bank.
China's ambassador said the country is expecting to increase cooperation with Costa Rica in the areas of infrastructure, education, agriculture, technology and environmental protection.